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Prior to 2021, within Guam, only the seven-digit phone number was necessary. When a person in Guam calls anywhere in the United States or Canada, one simply dials "1" and then the area code and phone number. For callers in the U.S. or Canada calling to Guam, one first dials '1-671', followed by the
184:
The FCC's regulation of Guam as "domestic" has no legal effect for telephone carriers outside the United States, for whom Guam is often not a competitive destination. Therefore, calls from other countries inbound to Guam can still be relatively expensive, especially compared to outbound calls from
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Prior to 1997, callers from the rest of the United States had to dial '011-671' and then the seven-digit telephone number to reach Guam, similar to international calls. As international calling rates began to fall in the more competitive destination countries during the 1990s, it became a
180:
However, since no U.S. national mobile telephone carriers have a presence on Guam, cellular calls into Guam are not necessarily considered "domestic" or within the definition of "nationwide long distance".
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considerable financial burden for people on the United States mainland to place calls to the United States territory of Guam, especially for those who were stationed in United States military bases there.
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With a population of less than 200,000, there is only a limited need for prefixes on Guam. Currently, less than 165 of the 800 possibilities are actually in use.
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numbers (as of April 2015, area codes 800, 888, 877, 866, 855 and 844) to callers from Guam, which became very popular with the advent of prepaid phone cards.
173:(FCC) regulated calls to and from Guam as "domestic", hence dramatically lowering the cost of these telephone calls. This change also opened up national
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39:
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396:"Census Bureau Releases Census 2000 Population Counts for Guam - Census 2000 - Newsroom - U.S. Census Bureau"
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371:"Transition to 10-digit dialing (for 988 as 3-digit access to National Suicide Prevention Hotline)"
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Guam since Guam is now open to the U.S.-based phone card market through toll-free access.
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Here is a list of landline prefixes on Guam and their associated geographic locations:
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country code 671 at the end of permissive dialing on July 1, 1998.
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519:
376:. North American Numbering Plan Administrator. January 8, 2021
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List of exchanges from AreaCodeDownload.com, 671 Area Code
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On
October 24, 2021, area code 671 was transitioned to
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was designated nationwide as a dialing code for the
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888:
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46:. Unsourced material may be challenged and removed.
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8:
144:on July 1, 1997, replacing Guam's previous
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106:Learn how and when to remove this message
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140:. It was created with the beginning of
146:International Telecommunication Union
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219:National Suicide Prevention Lifeline
44:adding citations to reliable sources
14:
171:Federal Communications Commission
20:
1221:Area codes in the United States
205:, despite not being part of an
31:needs additional citations for
1002:Federated States of Micronesia
485:Federated States of Micronesia
1:
983:Telephone numbers in Oceania
555:North American Numbering Plan
167:North American Numbering Plan
165:After Guam was added to the
118:Telephone area code for Guam
1236:1997 establishments in Guam
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1192:13.443667°N 144.793722°E
1148:Northern Mariana Islands
505:Northern Mariana Islands
1113:Cocos (Keeling) Islands
346:List of NANP area codes
1226:Communications in Guam
351:Communications in Guam
207:overlay numbering plan
1197:13.443667; 144.793722
1096:and other territories
609:District of Columbia
40:improve this article
1188: /
858:U.S. Virgin Islands
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265:Mongmong-Toto-Maite
223:seven-digit dialing
211:central office code
1216:Mass media in Guam
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240:3XX: U.S. Military
142:permissive dialing
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1163:Wallis and Futuna
1071:Associated states
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844:Northern Marianas
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479:: Pacific Ocean,
261:Chalan-Pago-Ordot
203:ten-digit dialing
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55:"Area code 671"
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814:West Virginia
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96:November 2021
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57: –
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51:Find sources:
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35:
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29:This article
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23:
18:
17:
1180:13°26′37.2″N
1173:
1094:Dependencies
1080:Cook Islands
856:
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836:
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774:South Dakota
764:Rhode Island
759:Pennsylvania
739:North Dakota
507:area codes:
496:area codes:
481:country code
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422:area codes:
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378:. Retrieved
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196:phone number
194:seven-digit
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38:Please help
33:verification
30:
1195: /
1027:New Zealand
911:El Salvador
851:Puerto Rico
689:Mississippi
599:Connecticut
335:subscribers
1210:Categories
901:Costa Rica
809:Washington
724:New Mexico
719:New Jersey
589:California
551:area codes
357:References
275:Santa Rita
253:Asan-Maina
66:newspapers
997:Australia
936:Nicaragua
916:Guatemala
880:Caribbean
819:Wisconsin
779:Tennessee
684:Minnesota
659:Louisiana
303:Barrigada
175:toll-free
130:area code
127:telephone
1012:Kiribati
926:Honduras
804:Virginia
749:Oklahoma
729:New York
704:Nebraska
694:Missouri
679:Michigan
669:Maryland
654:Kentucky
634:Illinois
604:Delaware
594:Colorado
584:Arkansas
483:+691 in
380:March 9,
340:See also
323:Inarajan
313:Talofofo
299:Mangilao
287:Tamuning
229:Prefixes
1158:Tokelau
1062:Vanuatu
824:Wyoming
799:Vermont
699:Montana
639:Indiana
619:Georgia
614:Florida
579:Arizona
569:Alabama
553:in the
245:Hagåtña
189:Dialing
152:Origins
132:of the
80:scholar
1133:Hawaii
1057:Tuvalu
941:Panama
931:Mexico
896:Belize
889:Former
875:Canada
754:Oregon
709:Nevada
649:Kansas
624:Hawaii
574:Alaska
494:Hawaii
327:Umatac
319:Merizo
281:Dededo
169:, the
82:
75:
68:
61:
53:
1052:Tonga
1042:Samoa
1032:Palau
1022:Nauru
921:Haiti
868:Other
784:Texas
664:Maine
629:Idaho
547:Lists
477:South
433:North
374:(PDF)
331:969:
317:828:
307:789:
297:73X:
291:65X:
285:64X:
279:63X:
269:56X:
243:47X:
87:JSTOR
73:books
1128:Guam
1085:Niue
1007:Fiji
906:Cuba
837:Guam
789:Utah
744:Ohio
644:Iowa
460:East
446:West
420:Guam
382:2021
309:Yona
293:Yigo
271:Agat
257:Piti
138:Guam
121:The
59:news
549:of
509:670
498:808
468:808
437:670
424:671
215:988
42:by
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325:,
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94:(
84:·
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