576:, which had asked to be allowed to investigate the planned acquisition, arguing that as the British competition regulator, it – and not the Commission – should have the right to rule on the transaction, which it argued 'threatens to affect significantly competition in the UK retail mobile and wholesale mobile markets', claiming that its investigation of the takeover would 'avoid duplication and fragmentation'. On 11 May 2016, the European Commission officially blocked the tie-up of O2 and Three, arguing that the merger would reduce consumer choice and lead to a higher cost of services.
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reception to at least 98 per cent of the UK population (expected to cover at least 99 per cent when outdoors) and at least 95 per cent of the population of each of the UK nations – England, Northern
Ireland, Scotland and Wales – by the end of 2017 at the latest. The 4G LTE service became available to customers in London, Leeds and Bradford on 29 August 2013, and expanded to a further ten cities by the end of the year.
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merger of Virgin Media and O2's parent companies, older variations of the slogans returned, now being shared with Virgin Media. The 2008 slogan "We’re better, connected" returned in
November 2021, and March 2023 saw the return of O2's original slogan "See what you can do". All of O2's marketing campaigns to date have been created by London advertising agency VCCP.
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360:(GPRS) service. The company, together with BT Group's mobile telecommunications businesses in Germany, Ireland and the Netherlands, was part of the BT Wireless division. This was spun off from the BT Group in 2002 to form a new holding company, mmO2 plc, which introduced the new "O2" brand for the businesses. In 2005, mmO2 plc was renamed O2 plc.
485:, a Spanish telecommunications company, for £17.7 billion (£2 per share) in cash. It went through finally in 2006. According to the merger announcement, O2 retained its name and continued to be based in the United Kingdom, keeping both the brand and the management team. The merger became unconditional on 23 January 2006.
47:
434:(TACS). The system was so unready that the initials that Motorola used to designate the network exchanges, EMX, became popularly known as 'European Motorola Experiment' and the exchanges had to be programmed in machine code loaded by tape. In the early days of the system, mobile calls cost £1 per minute.
568:
network (which operates in the UK) entered talks to buy O2 for up to £10.25bn ($ 15.4bn). However, the move faced scrutiny from competition regulators as it would reduce the number of major operators in the UK, when combined with a potential purchase of EE by BT, from four to three. Hutchison
Whampoa
441:
publicly announced on 27 July 1999 that BT had agreed to buy
Securicor's 40 per cent share of Cellnet for £3.15 billion. Cellnet had five million customers at the time of its acquisition. The company was rebranded as BT Cellnet in 2000, and it became a part of BT Wireless, a group of companies owned
1418:
In
October 2017, an inquiry was launched in the UK concerning overcharging customers for handset sales integrated with the data and call charges. Responding to questions, O2's CEO indicated that the company's billing allows for separation of handset charges and telephony/data charges. He added that
363:
O₂ plc was purchased by the
Spanish telecommunications company Telefónica in 2006 for £18 billion. Under the terms of the acquisition, Telefónica agreed to retain the "O₂" brand and the company's UK headquarters. O2 plc was renamed Telefónica O₂ Europe in 2007 and then Telefónica Europe plc in
1175:
design agency, which developed the idea of the company supplying services that were essential, much the same as oxygen is essential for life. The company logo and associated graphics were designed using air bubbles to present this concept. The bubbles were photographed by London-based photographer
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agreed on 1 March 2013 to buy the fixed telephone line and broadband business of
Telefonica UK, trading under the O2 and Be brands. The company agreed to pay £180 million initially, followed by a further £20 million after all customers had been transferred to Sky's existing business. The sale was
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O2 adopted the slogan "See what you can do" in 2002 after the company's demerger from BT. In April 2008, the slogan changed to "We’re better, connected". In July 2013 the slogan changed to "Be more dog", followed by "More for you" in June 2016 and "Breathe it all in" in
September 2018. After the
682:
On 20 February 2013, Ofcom announced that O2 had been awarded spectrum in the 800 MHz band for 4G LTE coverage, bidding around £550 million for the spectrum. This spectrum came with a coverage obligation from Ofcom, and O2 is obliged to provide a mobile broadband service for indoor
625:. To apologise for this, O2 announced that it would be giving hundreds of thousands of its customers compensation for the issue. Pay monthly customers received a 10 per cent discount on their bill whereas Pay As You Go users received a 10 per cent refund on their first top up in September.
501:
business in
Germany were brought under the control of O2, which retained its UK-registered public company status with its own board of directors and corporate structures and processes. Telefónica chose to keep its existing mobile phone operations in the rest of the world under the brand
628:
On 6 December 2018, a major disruption to the O2 network, caused by faulty software, left up to 32 million users (including those on MVNOs) without access to data services (on both 3G and 4G) for up to 24 hours. During the outage, some voice and text services suffered from congestion.
465:
The rebranding was supported by a
European advertising campaign, which began on 16 April 2002, across all four countries, at a cost of £130 million. The main launch campaign ran from 18 June and was developed by Vallance Carruthers Coleman Priest, working alongside brand consultancy
403:'s Mobile Division and the Chairman of Cellnet. It was during this period that Carrington launched Cellnet's first cellular service, following innovative development work by BT Spectrum, who built a chain of cells between London Heathrow and BT Tower in January 1985.
488:
Following the acquisition of O2, Telefónica undertook a corporate organisational change that saw the merging of its fixed and mobile businesses in Spain, and the transfer of Telefónica's non-Spanish European telecommunications properties into the O2 brand. Thus, the
678:
In January 2012, the company announced plans to provide free internet to millions of residents and visitors in central London, by launching Europe's largest free Wi-Fi zone, along with free Wi-Fi access for anyone on any network in and around every O2 retail store.
356:. Cellnet was one of the first two mobile networks in the UK, alongside Vodafone. In 1999, BT acquired Securicor's share of Cellnet and the company was later rebranded as BT Cellnet. In June 2000, BT Cellnet launched the world's first commercial
406:
Cellnet was established in 1985 as a joint subsidiary of BTCR, British Telecom Cellular Radio, providing the engineering knowledge, and TSCR, Telecom Securicor Cellular Radio Limited, providing the financial investment, resulting in a 60:40
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music venues. The partnership allows O2 to offer customers priority access to all events at O2 Academy venues as well as Live Nation promoted events across the United Kingdom. The partnership was renewed in 2017 for a further ten years.
601:, subject to approval, into a 50/50 joint venture. Subject to approval, the merger was slated for the middle of 2021. The merger was completed on 1 June 2021 with the newly merged company positioning itself as competition with BT.
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climate change campaign, which required participants to cut their carbon emissions by 10 per cent by the end of 2010, and has since broadened its approach to include a range of projects focused on carbon reduction and
445:
BT announced on 3 September 2001 that the BT Wireless business would be spun off from the main group as a newly listed holding company, mmO2 plc, operating under the "O2" brand. Shareholders approved the plan at an
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had previously acquired the O2 network from Telefónica in the Republic of Ireland, which it has since merged into Three. The combined network would have surpassed EE to create the largest mobile network in the UK.
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1415:. O2 denied this was true telling the BBC: "We have not suffered a data breach. Credential stuffing is a challenge for businesses and can result in many company's customer data being sold on the dark net".
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failure led to a 24-hour blackout of the service across the UK and Ireland. The problem, which prevented a third of its customers' phones registering on the network, also affected customers of
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The deal was subject to regulatory approval. The European Commission decided in December 2015 not to refer Hutchison's takeover of Telefónica's O2 business in the UK to the country's
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in the UK, for £50 million in June 2006. O2 retained the Be brand, and launched a separate O2-branded broadband service on 15 October 2007, using the Be network.
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1212:. The initial deal was signed in 1995, as Cellnet, and then renewed in 2000 as BT Cellnet. In 2005, Telefónica O2 extended their involvement in
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On 24 November 2014, it was reported that BT were in talks to buy back O2, while at the same time BT confirmed that it was also in talks to buy
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users, and stated more devices would be eligible at a later date. The facility was later extended to other makes and models of mobile phone.
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In September 2016, Telefónica appointed a number of investment banks to sell the business to investors, ahead of a stock market flotation.
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signed a deal in June 2012 which will see the two companies 'pool' their network technology, creating a single national grid of 18,500
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season. In 2005, a three-year deal was signed that saw Telefónica O2 become the team's exclusive mobile communications partner.
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In July 2016 Cyber Security company Insinia raised fears that customer data from an O2 cyber breach was being sold on the
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506:. This name is used in Spain and in most of the Latin American countries, operated by a separate management team.
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On 23 February 2011, O2 announced it would launch a "second phase" for O2 Money, by discontinuing its branded
1110:, for the deployment of the necessary electronic point of sale units, and with handset manufacturers, such as
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on 23 October 2001. BT Cellnet relaunched as "O2" on 18 June 2002, along with other former BT subsidiaries:
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1309:, the developers of the site, O2 announced that it had renewed its naming rights for a further ten years.
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27:
This article is about the British mobile network operator. For the related brand owned by Telefónica, see
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tonnes of carbon over the previous three years through its energy efficiency measures, including a £1.4
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Alongside mobile telephone services, the company also provided fixed line services and home broadband.
498:
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1224:. Their latest renewal of the sponsorship was in 2016, which ran for five years until September 2021.
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In February 2009, O2 became the first mobile telecommunications provider to be certified with the
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It was announced on 9 January 2014 that the O2 wallet service would close on 31 March 2014.
2794:"Jonathan Knowles Photography - advertising photographer - still life liquid drinks people"
1102:(NFC) payment system in 2007. In 2009, O2 was in discussions with large retailers, such as
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Hoffman, John (2003). "Chapter 3: Short Message Service and GSM Circuit-Switched Data".
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devices. The application would use NFC technology embedded in a phone to access money.
1069:
O2 announced in June 2011 a fibre optic broadband service designed to compete with the
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On 7 May 2020, it was announced that Telefónica had agreed to merge Telefonica UK with
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1371:, offices and retail stores, and upgrades to more energy efficient systems across its
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was the site of the artistic gymnastics events and medal rounds in basketball for the
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In March 2005, mmO2 restructured its shares and the company was relisted as O2 plc.
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subject to regulatory approval in April 2013, and was subsequently approved by the
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network on 22 June 2000, although GPRS-enabled devices were uncommon at that time.
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sites. Both networks will continue to carry their own independent mobile spectrum.
523:
522:, which was the first step in the process of incorporating financial services into
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1441:"Telefonica UK Limited – Overview (Free company information from Companies House)"
655:
O2 publicly announced on 15 December 2009 that it had successfully demonstrated a
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2990:"O2, Live Nation and Academy Music Group renew alliance for O2 Academy venues"
1111:
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55:
28:
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1423:, O2's biggest competitors and the UK's top three mobile-telecoms companies.
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2687:"Completed acquisition by British Sky Broadcasting Limited of Be Unlimited"
364:
2008, and became the holding company for Telefónica's operations in the UK.
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In July 2012, O2 had to apologise to almost 8 million customers after a
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17:
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Competition – press release: CMA requests UK review of O2/Three merger
1745:"Cellnet and One2One Founder Adds Voice to Speech Recognition Company"
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has been transformed and rebranded by O2 into an entertainment venue.
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European Conference of Postal and Telecommunications Administrations
1471:
1419:"if we can do it, they can do it too" in reference to Vodafone and
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Additionally, Telefónica O2 had a long-standing relationship with
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1776:"Secret deal charge dogs sale of Securicor's Cellnet stake to BT"
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383:. On 1 June 2021, O2 and Virgin Media formally merged to create
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2221:"Newly merged Virgin Media O2 'ready to fire' at incumbent BT"
1909:"Telefónica launches O2 Money, says it is ready to deploy NFC"
734:
1383:, the company was also able to reduce energy use by removing
344:
The company was formed on 7 January 1985 as Cellnet, a 60:40
2187:"Virgin Media and O2 owners confirm £31bn mega-merger in UK"
1856:"O2 readies for £130m May Day rebranding push across Europe"
46:
3457:
2661:"BSkyB buys O2 and BE broadband businesses from Telefonica"
2379:"Slough accepts the call to be 4G mobile phone trailblazer"
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BT Cellnet – Our Commitment to Society and the Environment
1305:
In February 2017, in a continuation of its agreement with
387:
as a joint venture between Telefónica and Liberty Global.
2046:"Telefonica finalises £10bn sale of O2 mobile phone firm"
1220:, as well as O2 rugbyclass and Premier Rugby Ltd for the
1216:, signing a new deal with the England rugby team and the
530:(NFC) technology in mobile phones in the United Kingdom.
1932:"Vodafone and O2 to merge mobile network infrastructure"
1268:
in 2003. In total O2 sponsored five series of the show.
553:. BT subsequently entered into exclusive talks with EE.
2939:"O2 on how it has turned its customers into rugby fans"
2515:"O2 4G mobile network launch date announced for the UK"
1957:"BT and Telefonica in 'preliminary' talks over O2 deal"
1455:"Telefónica 2017 Integrated Annual Report, Key Figures"
1167:– as were all the group's other businesses (other than
5815:
Companies formerly listed on the London Stock Exchange
2026:
Hutchison to buy Telefonica UK unit for $ 15.4 billion
2613:"O2 enters U.K. broadband market with purchase of Be"
430:(AMPS) and had to be adapted for the British system,
3102:
3017:"O2 first mobile firm to gain Carbon Trust Standard"
2247:"O2 apologises over 'embarrassing' network problems"
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2889:"O2 unveils its new brand campaign: 'More for you'"
2436:"'Europe's biggest' free Wi-Fi zone set for London"
2274:"O2 says mobile network fully restored after fault"
263:
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5503:Internet Telephony Services Providers' Association
2488:"Ofcom announces winners of the 4G mobile auction"
2462:"Ofcom announces winners of the 4G mobile auction"
2377:
2127:
1195:O2 brand launch event, River Thames, 30 April 2002
1118:, to enable NFC technology on all future devices.
375:In May 2020, Telefónica reached an agreement with
4757:Telecommunications industry in the United Kingdom
2912:"BT Cellnet signs England team in £5m rugby deal"
2074:, UK government official website, 4 December 2015
1231:, being their shirt sponsor until the end of the
331:, with 23.8 million subscribers as of July 2024.
5835:Telecommunications companies established in 1983
2820:"O2 pushes brand and products in TV ad campaign"
2089:, UK government official website, 2 October 2015
1256:in 2003. They also sponsored the spin-off shows
497:operations in the Czech Republic as well as the
481:On 30 November 2005, O2 agreed to a takeover by
2160:"Virgin Media and O2 join forces to take on BT"
1387:units from some of its cell sites and reducing
1375:. In addition to distributing energy efficient
1351:in recognition of its commitment to reduce its
1125:in favour of a "mobile wallet" application for
395:Between 1985 and 1989, John Carrington was the
5665:British Approvals Board for Telecommunications
2300:"O2 offers compensation after network failure"
1355:. O2 attained the standard after saving 47,000
4741:
4407:
3473:
3130:
2867:"Campaign of the Year 2013: O2 'be more dog'"
1769:
1767:
1651:"Telefonica Europe plc: Financial Statements"
8:
5840:Mobile phone companies of the United Kingdom
4773:Science and technology in the United Kingdom
2129:"O2 fires up blockbuster London float plans"
2040:
2038:
1719:"O2 | Terms and Conditions | Privacy Policy"
1517:"Everything Everywhere disappoints analysts"
671:, achieved a peak downlink rate of 150
39:
2126:Williams, Christopher (24 September 2016).
1883:"Telefónica bids £18 billion for U.K.'s O2"
686:On 27 March 2017, following the release of
5323:
5237:London & Provincial District Telegraph
4857:
4785:
4748:
4734:
4726:
4504:
4435:
4414:
4400:
4392:
4116:
3831:
3704:
3503:
3480:
3466:
3458:
3356:
3137:
3123:
3115:
3107:
2009:"Li Ka-shing in talks to buy O2 for £10bn"
1488:"2024 Quarterly Results – Virgin Media O2"
708:
276:
38:
5810:British subsidiaries of foreign companies
5457:Defence Science and Technology Laboratory
4349:British Telecommunications plc v. Prodigy
4344:Young Scientist and Technology Exhibition
4218:Digital Private Network Signalling System
3045:"10:10 climate campaign gathers momentum"
2490:. Ofcom. 20 February 2013. Archived from
2464:. Ofcom. 20 February 2013. Archived from
1288:in London. Since its launch in 2007 the
437:After months of rumours and speculation,
93:Telecom Securicor Cellular Radio Limited
5632:South Georgia and South Sandwich Islands
3043:Carrington, Damian (27 September 2009).
667:. The technology, which was supplied by
5710:Interception of Communications Act 1985
2845:"Probably the best corporate slogan..."
2322:"O2 data network restored after outage"
1432:
470:, creators of the "O2" brand identity.
5498:Internet Service Providers Association
2716:Prodhan, Georgina (2 September 2008).
2072:Competition and Markets Authority case
1694:"Virgin Media and O2 Partnership News"
1171:). The rebranding was overseen by the
710:Frequencies used on the O2 UK network
648:BT Cellnet launched the world's first
526:. Future plans included manufacturing
5467:International Telecommunication Union
4233:International Packet Switched Service
2774:(Press release). O2. 1 September 2011
1394:O2 is a voluntary participant in the
663:technology installed in six masts in
7:
5771:
5192:British and Irish Magnetic Telegraph
5187:Bonelli's Electric Telegraph Company
4374:
3442:
2965:"O2 to sponsor Academy music venues"
2390:from the original on 12 January 2022
2140:from the original on 12 January 2022
1774:McIntosh, Bill (11 September 1999).
1566:
1564:
1515:Parker, Andrew (28 September 2010).
305:telecommunications services provider
5670:British Telecommunications Act 1981
3072:"O2 customer data sold on dark net"
2693:. National Archives. Archived from
1983:"BT in talks to buy EE for £12.5bn"
1597:Richardson, Tim (31 October 2005).
1572:"MMO2 offers small investor buyout"
1176:Jonathan Knowles. In 2002, O2 used
422:The equipment used was primarily a
311:, England which operates under the
34:British telecommunications provider
4213:Digital Access Signalling System 1
4167:Digital Access Signalling System 2
3907:National Network Management Centre
3015:Murray, James (20 February 2009).
2718:"O2 finds mobile payments popular"
2102:"EU blocks Three's takeover of O2"
1854:Billings, Claire (24 April 2002).
1252:(as BT Cellnet) in 2001 until its
25:
4223:Fixed-Mobile Convergence Alliance
3917:Zouches Farm transmitting station
3912:Peterborough transmitting station
3407:
1669:"Virgin Media and O2 Partnership"
1330:Since 2008, O2 is partnered with
574:Competition and Markets Authority
426:system designed for the American
371:BT Cellnet logo from 1999 to 2002
5770:
5758:
5757:
5740:UK telephone code misconceptions
4373:
4362:
4361:
3687:
3441:
3432:
3431:
3204:
2963:Sweney, Mark (6 November 2008).
2869:. CampaignLive. 18 December 2013
1930:Laughlin, Andrew (7 June 2012).
1493:. Virgin Media O2. 26 July 2024.
1238:O2 were the main sponsor of the
1073:product, using FTTC technology.
514:On 15 July 2009, O2 entered the
319:, a 50:50 joint venture between
216:
215:
45:
3630:Concert Communications Services
2937:Gee, Rachel (25 October 2016).
2772:"Introducing the Mobile Wallet"
2588:"Cellular Tower and Signal Map"
2562:"UK mobile spectrum allocation"
2409:Wood, Nick (15 December 2009).
2376:Neate, Rupert (15 April 2010).
2245:Halliday, Josh (12 July 2012).
329:largest mobile network operator
5845:1983 establishments in England
5577:British Indian Ocean Territory
5202:Cable & Wireless Worldwide
3645:International Network Services
2091:. Retrieved: 30 December 2015.
2076:. Retrieved: 30 December 2015.
1829:"BT approves mobiles spin-off"
1743:Linton, Peter (18 June 2001).
1599:"Spain's Telefonica to buy O₂"
1:
5850:2021 mergers and acquisitions
5477:Phone-paid Services Authority
4891:BT Business and Public Sector
4768:Economy of the United Kingdom
4162:Digital Access Carrier System
3519:BT Business and Public Sector
2910:Dar, Ian (10 February 2000).
2513:Kelion, Leo (1 August 2013).
1803:"BT unveils new mobile brand"
1477:. Retrieved: 6 December 2012.
1160:– the chemical symbol for an
448:extraordinary general meeting
5539:British Overseas Territories
4324:BT Sport Action Woman Awards
4041:Post Office Research Station
3902:Madley Communications Centre
3897:Guardian Exchange Manchester
3214:Former products and services
2750:"O2: NFC is ready to launch"
1334:, allowing O2 to rename its
518:industry with the launch of
428:Advanced Mobile Phone System
358:General Packet Radio Service
5561:British Antarctic Territory
5452:Broadband Stakeholder Group
5302:Universal Private Telegraph
4423:UK mobile network operators
4011:Kingsway telephone exchange
2752:. Mobile News. 15 July 2009
2219:Fildes, Nic (1 June 2021).
2185:Sweney, Mark (7 May 2020).
611:network switching subsystem
153:; 39 years ago
5866:
5247:National Telephone Company
5207:Electric Telegraph Company
5177:Atlantic Telegraph Company
4293:Electric Telegraph Company
3957:Wotton-under-Edge BT Tower
1316:
1313:Academy Music Group venues
1091:
586:
432:Total Access Communication
413:British Telecommunications
379:to merge the company with
26:
5830:Companies based in Slough
5753:
5675:British telephone sockets
4808:BT Wholesale and Ventures
4763:
4357:
4036:Sheffield Telephone House
4016:Leafield Technical Centre
3988:Anchor telephone exchange
3685:
3529:BT Wholesale and Ventures
3427:
3202:
1911:. NFC World. 28 July 2009
1504:BTs History. 1984 onwards
1365:smart metering technology
1204:O2 currently sponsor the
1064:internet service provider
117:Telefonica O2 UK Limited
111:Telefónica O2 UK Limited
44:
5685:BT site engineering code
5637:Turks and Caicos Islands
5513:London Internet Exchange
5197:Cable & Wireless plc
4157:Advanced Mobile Location
4142:British telephone socket
4132:BT site engineering code
2302:. BBC News. 18 July 2012
1549:(Report). BT Group. 2000
1363:million distribution of
1149:The BT Cellnet consumer
1100:Near Field Communication
1051:Fixed line and broadband
583:Merger with Virgin Media
528:Near Field Communication
5735:Telephone numbers in UK
5695:Communications Act 2003
4319:BT Digital Music Awards
4152:Customer Service System
3257:Virgin Media Television
2918:. Haymarket Media Group
1626:"Telefonica Europe PLC"
1259:Celebrity Big Brother 2
5582:British Virgin Islands
5390:Marconi Communications
4051:Criggion Radio Station
3952:Tolsford Hill BT Tower
3942:Sutton Common BT Tower
3322:The Children's Channel
2847:BBC News. 18 June 2006
2824:www.campaignlive.co.uk
2691:Office of Fair Trading
1475:, O₂ corporate website
1381:boiler system controls
1327:
1281:
1196:
1082:Office of Fair Trading
645:
499:Telefónica Deutschland
477:Telefónica acquisition
372:
5547:Akrotiri and Dhekelia
5115:Virgin Media Business
4803:Babcock International
3937:Stokenchurch BT Tower
3862:BT Tower (Birmingham)
3181:Virgin Media Business
3153:Products and services
2537:"Wifi and 4G Calling"
1367:across the company's
1349:Carbon Trust Standard
1326:
1284:O2 is the sponsor of
1279:
1194:
1098:O2 began trialling a
640:
370:
287:Telefonica UK Limited
40:Telefonica UK Limited
5700:Earth stations in UK
5227:Gutta Percha Company
4949:Cable & Wireless
4868:Andrews & Arnold
4248:Packet Switch Stream
3922:Heaton Park BT Tower
2635:"O2's Official Blog"
2411:"O2 in UK LTE trial"
1373:mobile phone network
1343:Environmental record
1300:2012 Summer Olympics
1218:Rugby Football Union
1210:2003 Rugby World Cup
1182:Release the Pressure
787:HSDPA/HSPA+/DC-HSPA+
765:HSDPA/HSPA+/DC-HSPA+
556:On 23 January 2015,
462:in the Netherlands.
223:6.510 billion (2017)
5287:Submarine Telegraph
5222:General Post Office
4288:General Post Office
4056:Rugby Radio Station
4026:Stag Lane Aerodrome
3882:Charwelton BT Tower
3312:Setanta Sports News
3250:Former subsidiaries
2494:on 5 September 2013
2468:on 5 September 2013
2384:The Daily Telegraph
2134:The Daily Telegraph
1657:. 31 December 2017.
1336:Academy Music Group
1319:Academy Music Group
1222:English Premiership
711:
307:, headquartered in
99:BT Cellnet Limited
41:
5745:Web blocking in UK
5730:Telegraph Act 1885
5725:Telegraph Act 1868
5534:Crown Dependencies
5523:Symbian Foundation
5425:Carphone Warehouse
4898:BT Global Services
4646:BT Business Mobile
4498:network operators
3967:KX telephone boxes
3932:Pye Green BT Tower
3892:Goonhilly Cornwall
3872:BT Riverside Tower
3867:BT Tower (Swansea)
3776:BT Superfast Fibre
3524:BT Global Services
2566:mastdatabase.co.uk
2326:BBC News: Business
2015:. 23 January 2015.
1989:. 15 December 2014
1963:. 24 November 2014
1809:. 3 September 2001
1328:
1282:
1206:England rugby team
1197:
709:
646:
641:The O2 offices in
516:financial services
373:
317:VMED O2 UK Limited
142:Telecommunications
5787:
5786:
5705:Hull Colour Pages
5445:regulatory bodies
5438:
5437:
5413:
5412:
5315:
5314:
5140:
5133:
5117:
5110:
5103:
5096:
5082:
5077:
5060:
5053:
5029:
5022:
5015:
4996:
4972:
4928:
4914:
4907:
4900:
4893:
4886:
4723:
4722:
4719:
4718:
4615:Utility Warehouse
4490:
4489:
4389:
4388:
4271:
4270:
4137:BT Speaking Clock
4104:
4103:
4061:Microwave network
3962:Red telephone box
3947:Tinshill BT Tower
3857:BT Tower (London)
3819:
3818:
3683:
3682:
3599:
3455:
3454:
3423:
3422:
3282:Challenge Jackpot
2891:. O2. 2 June 2016
2800:on 8 October 2011
2328:. 7 December 2018
2032:, 23 January 2015
1889:. 31 October 2005
1835:. 23 October 2001
1578:. 12 January 2005
1046:Former operations
1043:
1042:
659:connection using
562:Hutchison Whampoa
327:. O2 is the UK's
315:. It is owned by
284:
283:
16:(Redirected from
5857:
5774:
5773:
5761:
5760:
5642:Tristan da Cunha
5622:Pitcairn Islands
5592:Falkland Islands
5567:Ascension Island
5324:
5136:
5129:
5113:
5106:
5099:
5092:
5080:
5075:
5056:
5049:
5025:
5018:
5011:
4992:
4970:Eclipse Internet
4968:
4944:The Co-operative
4924:
4910:
4903:
4896:
4889:
4882:
4858:
4843:Telehouse Europe
4786:
4750:
4743:
4736:
4727:
4505:
4436:
4416:
4409:
4402:
4393:
4377:
4376:
4365:
4364:
4117:
4046:Portishead Radio
3927:Purdown BT Tower
3887:Faraday Building
3832:
3705:
3691:
3594:
3504:
3482:
3475:
3468:
3459:
3445:
3444:
3435:
3434:
3404:(1985–1999; 40%)
3357:
3339:Smallworld Cable
3208:
3139:
3132:
3125:
3116:
3111:
3106:
3105:
3103:Official website
3088:
3087:
3085:
3083:
3068:
3062:
3061:
3059:
3057:
3040:
3034:
3033:
3031:
3029:
3012:
3006:
3005:
3003:
3001:
2986:
2980:
2979:
2977:
2975:
2960:
2954:
2953:
2951:
2949:
2934:
2928:
2927:
2925:
2923:
2907:
2901:
2900:
2898:
2896:
2885:
2879:
2878:
2876:
2874:
2863:
2857:
2856:
2854:
2852:
2841:
2835:
2834:
2832:
2830:
2816:
2810:
2809:
2807:
2805:
2796:. Archived from
2790:
2784:
2783:
2781:
2779:
2768:
2762:
2761:
2759:
2757:
2746:
2740:
2739:
2737:
2735:
2730:on 26 March 2010
2726:. Archived from
2713:
2707:
2706:
2704:
2702:
2683:
2677:
2676:
2674:
2672:
2657:
2651:
2650:
2648:
2646:
2631:
2625:
2624:
2622:
2620:
2609:
2603:
2602:
2600:
2598:
2583:
2577:
2576:
2574:
2572:
2558:
2552:
2551:
2549:
2547:
2533:
2527:
2526:
2524:
2522:
2510:
2504:
2503:
2501:
2499:
2484:
2478:
2477:
2475:
2473:
2458:
2452:
2451:
2449:
2447:
2442:. 6 January 2012
2432:
2426:
2425:
2423:
2421:
2406:
2400:
2399:
2397:
2395:
2381:
2373:
2367:
2366:
2349:GPRS Demystified
2344:
2338:
2337:
2335:
2333:
2318:
2312:
2311:
2309:
2307:
2296:
2290:
2289:
2287:
2285:
2270:
2264:
2263:
2261:
2259:
2242:
2236:
2235:
2233:
2231:
2216:
2210:
2209:
2207:
2205:
2182:
2176:
2175:
2173:
2171:
2156:
2150:
2149:
2147:
2145:
2131:
2123:
2117:
2116:
2114:
2112:
2098:
2092:
2083:
2077:
2068:
2062:
2061:
2059:
2057:
2042:
2033:
2023:
2017:
2016:
2005:
1999:
1998:
1996:
1994:
1979:
1973:
1972:
1970:
1968:
1953:
1947:
1946:
1944:
1942:
1927:
1921:
1920:
1918:
1916:
1905:
1899:
1898:
1896:
1894:
1879:
1873:
1872:
1870:
1868:
1851:
1845:
1844:
1842:
1840:
1825:
1819:
1818:
1816:
1814:
1799:
1793:
1792:
1790:
1788:
1771:
1762:
1761:
1759:
1757:
1740:
1734:
1733:
1731:
1729:
1715:
1709:
1708:
1706:
1704:
1690:
1684:
1683:
1681:
1679:
1665:
1659:
1658:
1647:
1641:
1640:
1638:
1636:
1622:
1616:
1615:
1613:
1611:
1594:
1588:
1587:
1585:
1583:
1568:
1559:
1558:
1556:
1554:
1548:
1540:
1534:
1533:
1531:
1529:
1512:
1506:
1501:
1495:
1494:
1492:
1484:
1478:
1469:
1463:
1462:
1451:
1445:
1444:
1437:
1401:renewable energy
1389:computer monitor
1385:air conditioning
1362:
1358:
1353:carbon footprint
1265:Teen Big Brother
1242:reality TV show
1184:" in their ads.
1180:'s dance track "
1084:on 16 May 2013.
712:
303:), is a British
280:
275:
272:
270:
219:
218:
161:
159:
154:
120:
114:
108:
105:O2 (UK) Limited
102:
96:
79:
73:
67:
49:
42:
21:
5865:
5864:
5860:
5859:
5858:
5856:
5855:
5854:
5805:Virgin Media O2
5790:
5789:
5788:
5783:
5749:
5652:
5646:
5537:
5527:
5493:GSM Association
5486:Industry bodies
5481:
5444:
5434:
5409:
5385:Marconi Company
5363:
5311:
5160:
5088:Virgin Media O2
4853:
4847:
4790:
4777:
4759:
4754:
4724:
4715:
4624:
4499:
4497:
4486:
4465:
4431:
4425:
4420:
4390:
4385:
4353:
4334:Connected Earth
4297:
4267:
4201:
4112:
4110:
4100:
3976:
3827:
3825:
3815:
3749:
3700:
3698:
3692:
3679:
3563:
3499:
3497:
3491:
3486:
3456:
3451:
3419:
3384:
3348:
3245:
3236:O2 wireless box
3209:
3200:
3148:
3146:Virgin Media O2
3143:
3101:
3100:
3097:
3092:
3091:
3081:
3079:
3070:
3069:
3065:
3055:
3053:
3042:
3041:
3037:
3027:
3025:
3014:
3013:
3009:
2999:
2997:
2988:
2987:
2983:
2973:
2971:
2962:
2961:
2957:
2947:
2945:
2936:
2935:
2931:
2921:
2919:
2909:
2908:
2904:
2894:
2892:
2887:
2886:
2882:
2872:
2870:
2865:
2864:
2860:
2850:
2848:
2843:
2842:
2838:
2828:
2826:
2818:
2817:
2813:
2803:
2801:
2792:
2791:
2787:
2777:
2775:
2770:
2769:
2765:
2755:
2753:
2748:
2747:
2743:
2733:
2731:
2715:
2714:
2710:
2700:
2698:
2697:on 2 April 2014
2685:
2684:
2680:
2670:
2668:
2665:BBC News Online
2659:
2658:
2654:
2644:
2642:
2633:
2632:
2628:
2618:
2616:
2611:
2610:
2606:
2596:
2594:
2585:
2584:
2580:
2570:
2568:
2560:
2559:
2555:
2545:
2543:
2535:
2534:
2530:
2520:
2518:
2512:
2511:
2507:
2497:
2495:
2486:
2485:
2481:
2471:
2469:
2460:
2459:
2455:
2445:
2443:
2434:
2433:
2429:
2419:
2417:
2408:
2407:
2403:
2393:
2391:
2375:
2374:
2370:
2363:
2346:
2345:
2341:
2331:
2329:
2320:
2319:
2315:
2305:
2303:
2298:
2297:
2293:
2283:
2281:
2272:
2271:
2267:
2257:
2255:
2244:
2243:
2239:
2229:
2227:
2225:Financial Times
2218:
2217:
2213:
2203:
2201:
2184:
2183:
2179:
2169:
2167:
2158:
2157:
2153:
2143:
2141:
2125:
2124:
2120:
2110:
2108:
2100:
2099:
2095:
2084:
2080:
2069:
2065:
2055:
2053:
2052:. 24 March 2015
2044:
2043:
2036:
2024:
2020:
2007:
2006:
2002:
1992:
1990:
1981:
1980:
1976:
1966:
1964:
1955:
1954:
1950:
1940:
1938:
1929:
1928:
1924:
1914:
1912:
1907:
1906:
1902:
1892:
1890:
1881:
1880:
1876:
1866:
1864:
1853:
1852:
1848:
1838:
1836:
1833:BBC News Online
1827:
1826:
1822:
1812:
1810:
1807:BBC News Online
1801:
1800:
1796:
1786:
1784:
1781:The Independent
1773:
1772:
1765:
1755:
1753:
1742:
1741:
1737:
1727:
1725:
1717:
1716:
1712:
1702:
1700:
1692:
1691:
1687:
1677:
1675:
1667:
1666:
1662:
1655:Companies House
1649:
1648:
1644:
1634:
1632:
1630:Companies House
1624:
1623:
1619:
1609:
1607:
1596:
1595:
1591:
1581:
1579:
1570:
1569:
1562:
1552:
1550:
1546:
1542:
1541:
1537:
1527:
1525:
1522:Financial Times
1514:
1513:
1509:
1502:
1498:
1490:
1486:
1485:
1481:
1470:
1466:
1453:
1452:
1448:
1439:
1438:
1434:
1429:
1409:
1391:standby times.
1360:
1356:
1345:
1321:
1315:
1290:Millennium Dome
1280:The O2 entrance
1274:
1202:
1158:
1147:
1142:
1096:
1090:
1053:
1048:
1008:2,100 MHz
950:2,600 MHz
635:
607:
591:
589:Virgin Media O2
585:
547:
512:
479:
458:in Germany and
401:British Telecom
393:
385:Virgin Media O2
342:
337:
301:
267:
259:
234:Virgin Media O2
200:
188:
170:John Carrington
157:
155:
152:
123:
118:
112:
106:
100:
94:
82:
77:
71:
65:
58:
35:
32:
23:
22:
15:
12:
11:
5:
5863:
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5807:
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5768:
5754:
5751:
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5742:
5737:
5732:
5727:
5722:
5717:
5715:Internet in UK
5712:
5707:
5702:
5697:
5692:
5687:
5682:
5677:
5672:
5667:
5662:
5656:
5654:
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5639:
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5609:
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5589:
5587:Cayman Islands
5584:
5579:
5574:
5569:
5564:
5554:
5549:
5543:
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5529:
5528:
5526:
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5443:Government and
5440:
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5122:
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5120:
5119:
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5104:
5097:
5085:
5084:
5083:
5078:
5071:Trunk Networks
5068:
5063:
5062:
5061:
5054:
5042:
5037:
5032:
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5023:
5016:
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4840:
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4830:
4825:
4820:
4815:
4810:
4805:
4800:
4794:
4792:
4789:Infrastructure
4783:
4779:
4778:
4776:
4775:
4770:
4764:
4761:
4760:
4755:
4753:
4752:
4745:
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4509:
4502:
4496:Mobile virtual
4492:
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4484:
4479:
4473:
4471:
4467:
4466:
4464:
4463:
4458:
4453:
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4433:
4430:Mobile network
4427:
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4411:
4404:
4396:
4387:
4386:
4384:
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4371:
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4048:
4043:
4038:
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4018:
4013:
4008:
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3995:
3993:Bletchley Park
3990:
3984:
3982:
3978:
3977:
3975:
3974:
3969:
3964:
3959:
3954:
3949:
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3821:
3820:
3817:
3816:
3814:
3813:
3808:
3803:
3798:
3793:
3788:
3783:
3781:BT Versatility
3778:
3773:
3768:
3763:
3757:
3755:
3751:
3750:
3748:
3747:
3742:
3737:
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3421:
3420:
3418:
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3411:
3405:
3399:
3392:
3390:
3386:
3385:
3383:
3382:
3379:Liberty Global
3376:
3370:
3363:
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3350:
3349:
3347:
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3154:
3150:
3149:
3144:
3142:
3141:
3134:
3127:
3119:
3113:
3112:
3096:
3095:External links
3093:
3090:
3089:
3078:. 25 July 2016
3063:
3035:
3007:
2996:. 24 July 2017
2981:
2955:
2943:Marketing Week
2929:
2902:
2880:
2858:
2836:
2811:
2785:
2763:
2741:
2708:
2678:
2667:. 1 March 2013
2652:
2641:. 28 June 2011
2626:
2604:
2578:
2553:
2528:
2505:
2479:
2453:
2427:
2401:
2368:
2361:
2355:. p. 39.
2339:
2313:
2291:
2280:. 12 July 2012
2265:
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2118:
2093:
2078:
2063:
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2018:
2000:
1974:
1948:
1922:
1900:
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1405:
1344:
1341:
1317:Main article:
1314:
1311:
1273:
1270:
1201:
1198:
1156:
1146:
1143:
1141:
1138:
1092:Main article:
1089:
1088:Payment system
1086:
1052:
1049:
1047:
1044:
1041:
1040:
1035:
1030:
1027:
1026:3,500 MHz
1023:
1022:
1017:
1012:
1009:
1005:
1004:
999:
994:
991:
987:
986:
981:
976:
973:
969:
968:
959:
954:
951:
947:
946:
937:
932:
929:
928:2,300 MHz
925:
924:
915:
906:
903:
902:2,100 MHz
899:
898:
889:
880:
877:
876:1,800 MHz
873:
872:
863:
854:
851:
847:
846:
837:
828:
825:
821:
820:
811:
802:
799:
795:
794:
789:
780:
777:
776:2,100 MHz
773:
772:
767:
758:
755:
751:
750:
745:
732:
730:
726:
725:
722:
719:
716:
690:, O2 launched
634:
631:
606:
603:
595:Liberty Global
587:Main article:
584:
581:
546:
543:
511:
508:
478:
475:
460:Telfort Mobiel
439:Peter Bonfield
392:
389:
377:Liberty Global
341:
338:
336:
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325:Liberty Global
299:
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203:Lutz Schüler (
201:
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192:United Kingdom
189:
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81:
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68:
66:(2002–present)
61:
59:
54:
51:
50:
33:
24:
14:
13:
10:
9:
6:
4:
3:
2:
5862:
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5828:
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5808:
5806:
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5801:
5798:
5797:
5795:
5780:
5779:
5769:
5767:
5766:
5756:
5755:
5752:
5746:
5743:
5741:
5738:
5736:
5733:
5731:
5728:
5726:
5723:
5721:
5720:Telegraph Act
5718:
5716:
5713:
5711:
5708:
5706:
5703:
5701:
5698:
5696:
5693:
5691:
5688:
5686:
5683:
5681:
5678:
5676:
5673:
5671:
5668:
5666:
5663:
5661:
5660:Adastral Park
5658:
5657:
5655:
5649:
5643:
5640:
5638:
5635:
5633:
5630:
5628:
5625:
5623:
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5558:
5555:
5553:
5550:
5548:
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5544:
5542:
5540:
5535:
5530:
5524:
5521:
5519:
5516:
5514:
5511:
5509:
5506:
5504:
5501:
5499:
5496:
5494:
5491:
5490:
5488:
5484:
5478:
5475:
5473:
5470:
5468:
5465:
5463:
5460:
5458:
5455:
5453:
5450:
5449:
5447:
5441:
5431:
5428:
5426:
5423:
5422:
5420:
5416:
5406:
5403:
5401:
5398:
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5391:
5388:
5386:
5383:
5381:
5378:
5376:
5373:
5372:
5370:
5366:
5360:
5357:
5355:
5352:
5350:
5347:
5345:
5342:
5340:
5337:
5335:
5332:
5331:
5329:
5325:
5322:
5318:
5308:
5307:Virgin Mobile
5305:
5303:
5300:
5298:
5295:
5293:
5290:
5288:
5285:
5283:
5280:
5278:
5275:
5273:
5270:
5268:
5265:
5263:
5260:
5258:
5255:
5253:
5250:
5248:
5245:
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5233:
5230:
5228:
5225:
5223:
5220:
5218:
5215:
5213:
5210:
5208:
5205:
5203:
5200:
5198:
5195:
5193:
5190:
5188:
5185:
5183:
5182:Be Un Limited
5180:
5178:
5175:
5173:
5170:
5169:
5167:
5163:
5157:
5154:
5152:
5149:
5147:
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5128:
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5123:
5116:
5112:
5111:
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5102:
5098:
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5033:
5028:
5024:
5021:
5017:
5014:
5010:
5009:
5008:
5005:
5003:
5000:
4995:
4994:Sky Broadband
4991:
4990:
4989:
4986:
4984:
4981:
4979:
4976:
4971:
4967:
4966:
4965:
4962:
4960:
4957:
4955:
4952:
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4942:
4940:
4937:
4935:
4932:
4927:
4923:
4922:
4921:
4918:
4913:
4909:
4906:
4902:
4899:
4895:
4892:
4888:
4885:
4881:
4880:
4879:
4876:
4874:
4871:
4869:
4866:
4865:
4863:
4859:
4856:
4850:
4844:
4841:
4839:
4838:TelecityGroup
4836:
4834:
4831:
4829:
4826:
4824:
4821:
4819:
4816:
4814:
4811:
4809:
4806:
4804:
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4795:
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4774:
4771:
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4765:
4762:
4758:
4751:
4746:
4744:
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4737:
4732:
4731:
4728:
4712:
4709:
4707:
4704:
4702:
4699:
4697:
4694:
4692:
4689:
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4684:
4682:
4679:
4677:
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4672:
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4657:
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4608:
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4603:
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4503:
4501:
4493:
4483:
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4475:
4474:
4472:
4468:
4462:
4459:
4457:
4454:
4452:
4449:
4447:
4444:
4443:
4441:
4437:
4434:
4428:
4424:
4417:
4412:
4410:
4405:
4403:
4398:
4397:
4394:
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4381:
4372:
4370:
4369:
4360:
4359:
4356:
4350:
4347:
4345:
4342:
4340:
4337:
4335:
4332:
4330:
4327:
4325:
4322:
4320:
4317:
4315:
4312:
4310:
4307:
4306:
4304:
4300:
4294:
4291:
4289:
4286:
4284:
4281:
4280:
4278:
4274:
4264:
4261:
4259:
4256:
4254:
4251:
4249:
4246:
4244:
4241:
4239:
4236:
4234:
4231:
4229:
4226:
4224:
4221:
4219:
4216:
4214:
4211:
4210:
4208:
4204:
4198:
4195:
4193:
4190:
4188:
4185:
4183:
4180:
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4175:
4173:
4170:
4168:
4165:
4163:
4160:
4158:
4155:
4153:
4150:
4148:
4147:Cable jetting
4145:
4143:
4140:
4138:
4135:
4133:
4130:
4128:
4125:
4124:
4122:
4118:
4115:
4107:
4097:
4094:
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4089:
4087:
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4082:
4079:
4077:
4074:
4072:
4069:
4067:
4064:
4062:
4059:
4057:
4054:
4052:
4049:
4047:
4044:
4042:
4039:
4037:
4034:
4032:
4031:Marland House
4029:
4027:
4024:
4022:
4021:Mondial House
4019:
4017:
4014:
4012:
4009:
4007:
4006:Horwood House
4004:
4002:
4001:
3996:
3994:
3991:
3989:
3986:
3985:
3983:
3979:
3973:
3970:
3968:
3965:
3963:
3960:
3958:
3955:
3953:
3950:
3948:
3945:
3943:
3940:
3938:
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3877:Stadium House
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3847:Baynard House
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3665:Swindon Cable
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3226:Virgin Mobile
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3022:BusinessGreen
3018:
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2679:
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2640:
2639:Blog.o2.co.uk
2636:
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2428:
2416:
2415:Total Telecom
2412:
2405:
2402:
2389:
2385:
2380:
2372:
2369:
2364:
2362:0-07-138553-3
2358:
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2051:
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2041:
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2035:
2031:
2027:
2022:
2019:
2014:
2010:
2004:
2001:
1988:
1984:
1978:
1975:
1962:
1958:
1952:
1949:
1937:
1933:
1926:
1923:
1910:
1904:
1901:
1888:
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1416:
1414:
1406:
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1402:
1397:
1392:
1390:
1386:
1382:
1379:lighting and
1378:
1374:
1370:
1366:
1354:
1350:
1342:
1340:
1337:
1333:
1325:
1320:
1312:
1310:
1308:
1303:
1301:
1297:
1293:
1291:
1287:
1278:
1272:Naming rights
1271:
1269:
1267:
1266:
1261:
1260:
1255:
1254:fourth series
1251:
1250:second series
1247:
1246:
1241:
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1234:
1230:
1225:
1223:
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1215:
1211:
1207:
1199:
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1128:
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1113:
1109:
1105:
1101:
1095:
1087:
1085:
1083:
1078:
1074:
1072:
1067:
1065:
1061:
1060:Be Un Limited
1058:O2 purchased
1056:
1050:
1045:
1039:
1036:
1034:
1031:
1028:
1025:
1024:
1021:
1018:
1016:
1013:
1010:
1007:
1006:
1003:
1000:
998:
995:
992:
990:900 MHz
989:
988:
985:
982:
980:
977:
974:
972:700 MHz
971:
970:
967:
963:
960:
958:
955:
952:
949:
948:
945:
941:
938:
936:
933:
930:
927:
926:
923:
919:
916:
914:
910:
907:
904:
901:
900:
897:
893:
890:
888:
884:
881:
878:
875:
874:
871:
867:
864:
862:
858:
855:
852:
850:900 MHz
849:
848:
845:
841:
838:
836:
832:
829:
826:
824:800 MHz
823:
822:
819:
815:
812:
810:
806:
803:
800:
798:700 MHz
797:
796:
793:
790:
788:
784:
781:
778:
775:
774:
771:
768:
766:
762:
759:
756:
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749:
746:
744:
740:
736:
733:
731:
728:
727:
723:
720:
717:
714:
713:
707:
705:
704:iPhone 7 Plus
701:
697:
693:
689:
684:
680:
676:
674:
670:
666:
662:
658:
653:
651:
644:
639:
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612:
604:
602:
600:
596:
590:
582:
580:
577:
575:
570:
567:
563:
559:
554:
552:
545:Sale attempts
544:
542:
540:
536:
531:
529:
525:
524:mobile phones
521:
517:
509:
507:
505:
500:
496:
492:
491:Český Telecom
486:
484:
476:
474:
471:
469:
463:
461:
457:
456:Viag Interkom
453:
452:Esat Digifone
449:
443:
440:
435:
433:
429:
425:
420:
418:
414:
410:
409:joint venture
404:
402:
398:
390:
388:
386:
382:
378:
369:
365:
361:
359:
355:
351:
347:
346:joint venture
339:
334:
332:
330:
326:
322:
318:
314:
310:
306:
302:
296:(stylised as
295:
292:
288:
279:
274:
266:
262:
255:
252:
250:
247:
246:
244:
242:
238:
235:
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210:
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196:
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146:
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136:
133:
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126:
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110:
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98:
92:
91:
89:
85:
75:
69:
63:
62:
60:
57:
52:
48:
43:
37:
30:
19:
5776:
5763:
5627:Saint Helena
5334:Arm Holdings
5156:Zen Internet
5108:Virgin Media
5093:
5035:Telecom Plus
4920:China Mobile
4701:RSPCA Mobile
4651:Co-operative
4605:Tesco Mobile
4600:Telecom Plus
4450:
4379:
4367:
4228:Go!Messenger
4096:UK-Belgium 5
3999:
3811:Merlin M4000
3806:Micronet 800
3801:Telecom Gold
3740:BT Smart Hub
3720:EE Broadband
3715:BT Broadband
3620:O2 (Germany)
3615:O2 (Ireland)
3609:
3605:Manx Telecom
3595:merged into
3500:subsidiaries
3360:Virgin Media
3353:Predecessors
3334:Bid Shopping
3317:Living Loves
3175:Tesco Mobile
3165:Virgin Media
3159:
3080:. Retrieved
3075:
3066:
3054:. Retrieved
3050:The Guardian
3048:
3038:
3026:. Retrieved
3020:
3010:
2998:. Retrieved
2993:
2984:
2972:. Retrieved
2969:The Guardian
2968:
2958:
2946:. Retrieved
2942:
2932:
2920:. Retrieved
2915:
2905:
2893:. Retrieved
2883:
2871:. Retrieved
2861:
2849:. Retrieved
2839:
2827:. Retrieved
2823:
2814:
2802:. Retrieved
2798:the original
2788:
2778:14 September
2776:. Retrieved
2766:
2754:. Retrieved
2744:
2732:. Retrieved
2728:the original
2721:
2711:
2699:. Retrieved
2695:the original
2690:
2681:
2669:. Retrieved
2664:
2655:
2645:20 September
2643:. Retrieved
2638:
2629:
2617:. Retrieved
2607:
2595:. Retrieved
2591:
2586:CellMapper.
2581:
2569:. Retrieved
2565:
2556:
2544:. Retrieved
2541:www.o2.co.uk
2540:
2531:
2519:. Retrieved
2508:
2496:. Retrieved
2492:the original
2482:
2470:. Retrieved
2466:the original
2456:
2444:. Retrieved
2439:
2430:
2418:. Retrieved
2414:
2404:
2392:. Retrieved
2383:
2371:
2348:
2342:
2330:. Retrieved
2325:
2316:
2304:. Retrieved
2294:
2282:. Retrieved
2277:
2268:
2256:. Retrieved
2252:The Guardian
2250:
2240:
2228:. Retrieved
2224:
2214:
2202:. Retrieved
2191:The Guardian
2190:
2180:
2168:. Retrieved
2166:. 7 May 2020
2163:
2154:
2144:25 September
2142:. Retrieved
2133:
2121:
2109:. Retrieved
2105:
2096:
2086:
2081:
2071:
2066:
2054:. Retrieved
2049:
2021:
2012:
2003:
1991:. Retrieved
1986:
1977:
1965:. Retrieved
1960:
1951:
1939:. Retrieved
1935:
1925:
1913:. Retrieved
1903:
1891:. Retrieved
1886:
1877:
1865:. Retrieved
1859:
1849:
1837:. Retrieved
1832:
1823:
1811:. Retrieved
1806:
1797:
1785:. Retrieved
1779:
1754:. Retrieved
1748:
1738:
1726:. Retrieved
1723:www.o2.co.uk
1722:
1713:
1701:. Retrieved
1698:Virgin Media
1697:
1688:
1676:. Retrieved
1673:www.o2.co.uk
1672:
1663:
1654:
1645:
1633:. Retrieved
1629:
1620:
1608:. Retrieved
1604:The Register
1602:
1592:
1582:15 September
1580:. Retrieved
1575:
1551:. Retrieved
1538:
1526:. Retrieved
1520:
1510:
1499:
1482:
1472:
1467:
1449:
1435:
1417:
1410:
1393:
1346:
1329:
1304:
1296:The O2 Arena
1294:
1283:
1263:
1262:in 2002 and
1257:
1243:
1237:
1229:Arsenal F.C.
1226:
1203:
1200:Sponsorships
1186:
1173:Lambie-Nairn
1169:Manx Telecom
1154:
1153:was renamed
1148:
1135:
1120:
1097:
1075:
1068:
1057:
1054:
913:LTE Advanced
887:LTE Advanced
861:LTE Advanced
835:LTE Advanced
809:LTE Advanced
754:900 MHz
729:900 MHz
696:WiFi Calling
685:
681:
677:
654:
647:
627:
619:Tesco Mobile
608:
599:Virgin Media
592:
578:
571:
555:
548:
532:
513:
487:
480:
472:
468:Lambie-Nairn
464:
454:in Ireland,
444:
436:
421:
405:
394:
391:1985 to 2005
381:Virgin Media
374:
362:
343:
297:
293:
286:
285:
254:Tesco Mobile
241:Subsidiaries
175:Headquarters
162:(as Cellnet)
128:Company type
36:
5680:BT Research
5653:legislation
5607:Isle of Man
5559:(including
5380:GEC Plessey
5282:Sainsbury's
5267:Post Office
5131:Vodafone UK
4884:BT Consumer
4873:Asda Mobile
4696:Post Office
4681:Sainsbury's
4520:Asda Mobile
4309:BT Archives
3791:BT MyDonate
3635:Telecomsoft
3534:BT Research
3514:BT Consumer
3416:(2006–2021)
3410:(2002–2006)
3398:(1985–2002)
3381:(2013–2021)
3375:(1984–2006)
3369:(1992–2006)
3287:Channel One
3082:15 November
3000:23 February
2974:23 February
2829:18 December
2498:24 February
2472:20 February
2353:McGraw-Hill
2204:5 September
2170:5 September
1936:Digital Spy
1407:Controversy
1332:Live Nation
1245:Big Brother
1214:rugby union
1108:W. H. Smith
1071:BT Infinity
597:subsidiary
560:, owner of
558:Li Ka-shing
539:transmitter
187:Area served
113:(2008–2011)
107:(2002–2008)
101:(1999–2002)
95:(1985–1999)
78:(1985–1999)
72:(1999–2002)
70:BT Cellnet
5820:Telefónica
5794:Categories
5617:Montserrat
5557:Antarctica
5344:Metaswitch
5292:Tiscali UK
5151:WightFibre
5138:Talkmobile
4983:Lycamobile
4964:KCOM Group
4939:Colt Group
4818:KCOM Group
4661:Easymobile
4636:AfriMobile
4595:Talkmobile
4570:Lycamobile
4545:FreedomPop
4109:Programmes
3828:facilities
3796:BT MyPlace
3786:BT Voyager
3766:BT Highway
3745:TNT Sports
3590:Madasafish
3554:BT Ireland
3414:Telefónica
3302:Real Lives
3241:O2 Joggler
3221:Virgin.net
2994:Music Week
2948:2 December
2922:2 December
2804:8 December
2701:14 October
2592:CellMapper
2571:27 January
2517:. BBC News
2332:7 December
1993:23 January
1967:23 January
1839:7 February
1813:7 February
1610:7 February
1553:7 February
1473:Contact us
1459:Telefónica
1427:References
1369:cell sites
1123:cash cards
692:VoLTE (4G)
510:Since 2007
483:Telefónica
321:Telefónica
291:trading as
199:Key people
132:Subsidiary
56:Trade name
29:O2 (brand)
5597:Gibraltar
5320:Suppliers
4854:providers
4833:Interxion
4828:Openreach
4813:CityFibre
4791:providers
4782:Companies
4676:GT Mobile
4560:KC Mobile
4555:iD Mobile
4525:BT Mobile
4432:operators
4314:BT Museum
4113:standards
4000:Sovereign
3852:BT Centre
3824:Buildings
3771:BT Mobile
3761:BT Fusion
3725:EE Mobile
3575:BT Marine
3559:BT Italia
3539:Openreach
3496:Divisions
3402:Securicor
3262:Challenge
3186:Virgin TV
3056:2 October
3028:2 October
2873:16 August
2851:2 October
2734:2 October
2446:6 January
2420:2 October
2394:2 October
2199:0261-3077
1915:2 October
1893:2 October
1867:2 October
1861:Marketing
1787:2 October
1756:2 October
1750:Medialink
1528:2 October
1248:from its
1240:Channel 4
1233:2005/2006
1178:Leftfield
1140:Marketing
715:Frequency
617:networks
417:Securicor
354:Securicor
181:, England
5765:Category
5651:History,
5602:Guernsey
5552:Anguilla
5405:Standard
5400:PicoChip
5349:Sarantel
5297:T-Mobile
5146:Voipfone
5125:Vodafone
5101:Giffgaff
5076:Leetline
5051:Three UK
5013:Business
5007:TalkTalk
4959:Inmarsat
4934:Claranet
4878:BT Group
4823:Nexfibre
4706:TalkTalk
4691:People's
4610:Truphone
4550:Giffgaff
4515:1pMobile
4482:T-Mobile
4461:Vodafone
4368:Category
4283:BT Group
4243:N3 (NHS)
4182:ADSL Max
4177:System Y
4172:System X
4086:CANTAT-2
3701:services
3697:Products
3675:Open....
3670:6GMOBILE
3580:dabs.com
3489:BT Group
3437:Category
3396:BT Group
3373:Telewest
3307:SceneOne
3196:O2 Money
3191:O2 Store
3170:giffgaff
3076:BBC News
2916:Campaign
2619:22 April
2615:. O2 plc
2546:28 March
2521:1 August
2440:BBC News
2388:Archived
2306:1 August
2278:BBC News
2164:BBC News
2138:Archived
2106:BBC News
2056:24 March
2050:BBC News
2013:BBC News
1987:BBC News
1961:BBC News
1941:1 August
1887:BBC News
1576:BBC News
1413:dark web
1165:molecule
1145:Branding
1094:O2 Money
721:Protocol
700:iPhone 7
688:iOS 10.3
623:Giffgaff
564:and the
535:Vodafone
520:O2 Money
504:Movistar
424:Motorola
411:between
350:BT Group
348:between
340:Overview
313:O2 brand
249:giffgaff
138:Industry
87:Formerly
76:Cellnet
5800:O2 (UK)
5778:Commons
5572:Bermuda
5368:Defunct
5354:Spirent
5327:Current
5242:Mercury
5212:Energis
5165:Defunct
4954:Entanet
4912:Plusnet
4861:Current
4852:Service
4575:Plusnet
4540:Ecotalk
4508:Current
4500:(MVNOs)
4439:Current
4380:Commons
4276:History
4253:Prestel
4206:Defunct
4197:YouView
4192:1-5-7-1
4187:Redcare
4127:BT 21CN
4120:Current
3835:Current
3754:Defunct
3735:EE WiFi
3708:Current
3660:LineOne
3655:Telfort
3650:Dialcom
3610:O2 (UK)
3597:Plusnet
3549:Plusnet
3507:Current
3447:Commons
3327:Trouble
3277:Bravo 2
2895:16 June
2723:Reuters
2671:1 March
2597:1 March
2284:14 July
2258:14 July
2030:Reuters
1461:. 2017.
1127:Android
1116:Samsung
633:Network
605:Outages
533:O2 and
495:Eurotel
442:by BT.
335:History
309:Reading
264:Website
212:Revenue
179:Reading
167:Founder
156: (
148:Founded
18:Cellnet
5775:
5762:
5612:Jersey
5359:Telent
5277:Rabbit
5257:Orange
5232:Ionica
5217:Family
5081:No One
5058:SMARTY
5020:Mobile
4978:Lebara
4926:CMLink
4798:Arqiva
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4535:Econet
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4081:TAT-14
3981:Former
3972:LinkUK
3640:Tymnet
3625:Ribbit
3568:Former
3408:O2 plc
3267:Living
2756:14 May
2359:
2230:1 June
2197:
2111:11 May
1728:1 June
1703:1 June
1678:1 June
1635:10 May
1361:
1357:
1286:The O2
1162:oxygen
957:TD-LTE
935:TD-LTE
724:Class
669:Huawei
665:Slough
229:Parent
119:(2011)
5690:Buzby
5518:MaNAP
5508:LONAP
5472:Ofcom
5418:Other
5339:Icera
5272:Pipex
5262:Ovivo
5045:Three
5040:Tesco
5002:spusu
4686:Ovivo
4671:Fresh
4590:spusu
4456:Three
4329:Buzby
4302:Other
4091:SAT-2
4076:TAT-9
4071:TAT-8
4066:TAT-1
3730:EE TV
3272:Bravo
3177:(50%)
3160:O2 UK
1547:(PDF)
1491:(PDF)
1396:10:10
1151:brand
1112:Apple
1104:Tesco
1077:BSkyB
1062:, an
1033:5G NR
1015:5G NR
997:5G NR
979:5G NR
643:Leeds
566:Three
256:(50%)
5430:Hibu
5395:Pace
4656:LIFE
4641:Blyk
4620:VOXI
3585:Hibu
3344:UKTV
3084:2020
3058:2010
3030:2010
3002:2018
2976:2018
2950:2018
2924:2018
2897:2018
2875:2017
2853:2010
2831:2023
2806:2014
2780:2011
2758:2010
2736:2010
2703:2014
2673:2013
2647:2013
2621:2010
2599:2022
2573:2024
2548:2017
2523:2013
2500:2014
2474:2013
2448:2012
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2260:2012
2232:2021
2206:2020
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2113:2016
2058:2015
1995:2015
1969:2015
1943:2013
1917:2010
1895:2010
1869:2010
1841:2013
1815:2013
1789:2010
1758:2010
1730:2021
1705:2021
1680:2021
1637:2019
1612:2011
1584:2017
1555:2011
1530:2010
1129:and
1114:and
1106:and
975:n28
783:UMTS
761:UMTS
743:EDGE
739:GPRS
718:Band
702:and
698:for
694:and
673:Mbps
650:GPRS
621:and
615:MVNO
493:and
415:and
352:and
323:and
158:1985
151:1985
5536:and
5532:In
5375:CSR
5252:NTL
5172:AOL
5066:Tru
4988:Sky
4580:Sky
4263:TXK
4258:TXE
4111:and
3998:CS
3826:and
3699:and
3498:and
3367:NTL
3297:Ftn
3292:EBN
1377:LED
1307:AEG
1131:iOS
1029:n78
1011:n1
993:n8
966:4G+
953:38
944:4G+
922:4G+
909:LTE
896:4G+
883:LTE
870:4G+
857:LTE
844:4G+
831:LTE
827:20
818:4G+
805:LTE
801:28
735:GSM
661:LTE
399:of
397:CEO
273:.uk
271:.co
205:CEO
64:O2
5796::
5094:O2
5027:TV
4905:EE
4451:O2
4446:EE
3544:EE
3389:O2
3231:V+
3074:.
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2992:.
2967:.
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2132:.
2104:.
2048:.
2037:^
2028:.
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1985:.
1959:.
1934:.
1885:.
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1766:^
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1653:.
1628:.
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1563:^
1519:.
1457:.
1421:EE
1403:.
1302:.
1038:5G
1020:5G
1002:5G
984:5G
962:4G
940:4G
931:40
918:4G
892:4G
866:4G
853:8
840:4G
814:4G
792:3G
770:3G
748:2G
675:.
657:4G
551:EE
419:.
294:O2
289:,
269:o2
5563:)
4749:e
4742:t
4735:v
4415:e
4408:t
4401:v
3481:e
3474:t
3467:v
3138:e
3131:t
3124:v
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1443:.
1157:2
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942:/
920:/
911:/
905:1
894:/
885:/
879:3
868:/
859:/
842:/
833:/
816:/
807:/
785:/
779:1
763:/
757:8
741:/
737:/
300:2
298:O
221:£
207:)
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