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for numbering plan area 860, adding the new area code 959. This proposal was postponed for nearly a decade due to number conservation measures; in
September 2008, the overlay was scheduled within two years (as of August 30, 2011, an activation date for 959 had not been announced). In March 2009, it
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Area code 959 was originally announced in August 1999 to overlay area code 860, but implementation efforts were delayed for over a decade, culminating in an effective starting date for operation of August 30, 2014. Nevertheless, all calls within
Connecticut required
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On August 27, 2013, the NANPA issued
Planning Letter 456 which states that the 959 area code would go into effect on August 30, 2014. The first 959 area code numbers were distributed in December 2015.
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is required for originating toll calls from landlines, effective
November 14, 2009, to reach another Connecticut number, including calls involving two numbers with the same area code.
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Even though the 959 area code did not have a specific start date, all callers in
Connecticut were required to dial ten digits, including the area code. A leading
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was announced that the 203/475 overlay would be activated on
December 12, 2009, with the 860/959 overlay becoming active by 2011.
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Area code 860 was created on August 28, 1995, as a numbering plan area split from
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99:). Dialing of area code 860 became mandatory on October 4, 1996.
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that covers most of the state, except its southwest, which uses
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Area codes that serve most of
Connecticut, except its southwest
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List of exchanges from AreaCodeDownload.com, 860 Area Code
521:Telecommunications-related introductions in 1995
117:Connecticut Department of Public Utility Control
34:Connecticut state map with area code 860 in red
8:
295:"New 959 area code rolls out in Connecticut"
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71:, in which the latter was reduced to
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330:—1999 news story on planned overlay
316:NANPA area code map of Connecticut
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531:Area codes in the United States
556:New London County, Connecticut
541:Litchfield County, Connecticut
327:Regulators Have Area Code Plan
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551:New Haven County, Connecticut
546:Middlesex County, Connecticut
50:North American Numbering Plan
536:Hartford County, Connecticut
566:Windham County, Connecticut
561:Tolland County, Connecticut
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56:. They are arranged in an
526:Area codes in Connecticut
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107:as of November 14, 2009.
383:Area codes 860 and 959
138:Major cities and towns
95:, and a small part of
62:area codes 203 and 475
39:Area codes 860 and 959
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111:1999 overlay proposal
52:in the U.S. state of
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115:In August 1999, the
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301:. 16 December 2015.
284:NANPA, Aug 27, 2009
281:Planning Letter 456
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299:New Haven Register
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121:area code overlay
105:ten-digit dialing
85:Litchfield County
16:(Redirected from
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81:New Haven County
73:Fairfield County
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83:, plus part of
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310:External links
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418:Massachusetts
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250:West Hartford
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155:East Hartford
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69:area code 203
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18:Area code 959
502:area codes:
500:Rhode Island
447:area codes:
420:area codes:
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338:area codes:
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119:proposed an
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75:(except for
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58:overlay plan
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481:718/347/929
449:212/646/332
336:Connecticut
255:Willimantic
230:Southington
210:New Milford
200:New Britain
170:Glastonbury
54:Connecticut
515:Categories
267:References
245:Torrington
240:Stonington
205:New London
195:Middletown
190:Manchester
185:Litchfield
145:Bloomfield
46:area codes
160:East Lyme
89:Bethlehem
43:telephone
445:New York
220:Old Lyme
180:Hartford
93:Woodbury
485:845/329
477:716/624
473:631/934
461:518/838
457:516/363
453:315/680
438:978/351
434:781/339
430:617/857
426:508/774
409:631/934
405:203/475
378:845/329
374:518/838
361:508/774
344:860/959
340:203/475
260:Windsor
225:Sherman
215:Norwich
165:Enfield
150:Bristol
97:Roxbury
77:Sherman
48:in the
235:Storrs
175:Groton
79:) and
401:South
353:North
388:East
370:West
41:are
504:401
493:917
489:914
469:607
465:585
422:413
392:401
357:413
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87:(
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