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  3. 671 Area Code

671 Area Code

Dededo, Guam

Dededo, Guam is the largest city covered by the 671 Area Code

Current Time

Pacific/Guam Time Zone

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671 Area Code Overview & Map

The 671 area code is assigned to the U.S. territory of Guam. Guam is an island in the western Pacific Ocean and is an organized, unincorporated territory of the United States. The 671 area code is used for telecommunications in Guam, encompassing its various cities and communities.

When was the 671 Area Code created?

The 671 area code was first put into service in 1997, by the North American Numbering Plan Administration (NANPA). Learn more about the US Area Code System

Where is the 671 Area Code located?

The 671 area code serves Dededo, Guam and the surrounding areas.

671 Area Code Map

671 Area Code Map

International Dialing
+1 671 ••• ••••
US Area Code Prefix & Local Number

Phone numbers in the United States are made up of a single country code (+1), a 3 digit Area Code (671) for Guam, a 3 digit local prefix code (or NXX code), and a 4 digit local number.

Cities in the 671 Area Code

The 671 area code includes 5 cites in Guam.

City Population % in Area Code
Dededo, GU 44,908 100%
Yigo, GU 19,339 100%
Tamuning, GU 18,489 100%
Mangilao, GU 13,476 100%
Hagåtña, GU 943 100%

671 Area Code NXX Prefixes

The 671 Area Code (NPA Code) has 88 prefixes (NXX Code). An NXX prefix, also known as a central office code or exchange code, is the three-digit code that follows the area code in a North American telephone number. Learn about NXX Prefixes

Area Code Prefix Usage Carrier Rate Center
671 300 Landline Pacific Data Systems - Gu Hagåtña
671 333 Landline Teleguam Holdings, LLC Hagåtña
671 339 Landline Teleguam Holdings, LLC Hagåtña
671 343 Landline Teleguam Holdings, LLC Hagåtña
671 344 Landline Teleguam Holdings, LLC Hagåtña
671 349 Landline Teleguam Holdings, LLC Hagåtña
671 355 Landline Teleguam Holdings, LLC Hagåtña
671 362 Landline Teleguam Holdings, LLC Hagåtña
671 366 Landline Teleguam Holdings, LLC Hagåtña
671 400 Landline Pacific Data Systems - Gu Hagåtña
671 456 Landline Pti Pacifica Inc. Hagåtña
671 471 Landline Teleguam Holdings, LLC Hagåtña
671 472 Landline Teleguam Holdings, LLC Hagåtña
671 473 Landline Teleguam Holdings, LLC Hagåtña
671 474 Landline Teleguam Holdings, LLC Hagåtña
671 475 Landline Teleguam Holdings, LLC Hagåtña
671 477 Landline Teleguam Holdings, LLC Hagåtña
671 478 Landline Teleguam Holdings, LLC Hagåtña
671 479 Landline Teleguam Holdings, LLC Hagåtña
671 480 Landline Teleguam Holdings, LLC Hagåtña
671 482 Landline Teleguam Holdings, LLC Hagåtña
671 483 Landline Teleguam Holdings, LLC Hagåtña
671 484 Landline Teleguam Holdings, LLC Hagåtña
671 486 Landline Teleguam Holdings, LLC Hagåtña
671 487 Landline Teleguam Holdings, LLC Hagåtña
671 488 Landline Teleguam Holdings, LLC Hagåtña
671 489 Landline Teleguam Holdings, LLC Hagåtña
671 562 Landline Teleguam Holdings, LLC Hagåtña
671 563 Landline Teleguam Holdings, LLC Hagåtña
671 564 Landline Teleguam Holdings, LLC Hagåtña
671 565 Landline Teleguam Holdings, LLC Hagåtña
671 588 Landline Teleguam Holdings, LLC Hagåtña
671 632 Landline Teleguam Holdings, LLC Hagåtña
671 633 Landline Teleguam Holdings, LLC Hagåtña
671 634 Landline Teleguam Holdings, LLC Hagåtña
671 635 Landline Teleguam Holdings, LLC Hagåtña
671 637 Landline Teleguam Holdings, LLC Hagåtña
671 638 Landline Teleguam Holdings, LLC Hagåtña
671 642 Landline Teleguam Holdings, LLC Hagåtña
671 644 Landline Teleguam Holdings, LLC Hagåtña
671 645 Landline Teleguam Holdings, LLC Hagåtña
671 646 Landline Teleguam Holdings, LLC Hagåtña
671 647 Landline Teleguam Holdings, LLC Hagåtña
671 648 Landline Teleguam Holdings, LLC Hagåtña
671 649 Landline Teleguam Holdings, LLC Hagåtña
671 653 Landline Teleguam Holdings, LLC Hagåtña
671 654 Landline Teleguam Holdings, LLC Hagåtña
671 678 Landline Pti Pacifica Inc. Hagåtña
671 682 Wireless Guam Wireless Telephone Company, LLC Hagåtña
671 683 Wireless Guam Wireless Telephone Company, LLC Hagåtña
671 685 Wireless Guam Wireless Telephone Company, LLC Hagåtña
671 686 Wireless Guam Wireless Telephone Company, LLC Hagåtña
671 687 Wireless Guam Wireless Telephone Company, LLC Hagåtña
671 688 Wireless Guam Wireless Telephone Company, LLC Hagåtña
671 689 Wireless Guam Wireless Telephone Company, LLC Hagåtña
671 707 Landline Pti Pacifica Inc. Hagåtña
671 726 Landline Pti Pacifica Inc. DBA It&e Hagåtña
671 727 Landline Pti Pacifica Inc. Hagåtña
671 734 Landline Teleguam Holdings, LLC Hagåtña
671 735 Landline Teleguam Holdings, LLC Hagåtña
671 747 Landline Pti Pacifica Inc. Hagåtña
671 777 Landline Pti Pacifica Inc. Hagåtña
671 787 Wireless Guam Wireless Telephone Company, LLC Hagåtña
671 788 Wireless Guam Wireless Telephone Company, LLC Hagåtña
671 789 Landline Teleguam Holdings, LLC Hagåtña
671 797 Landline Pti Pacifica Inc. Hagåtña
671 828 Landline Teleguam Holdings, LLC Hagåtña
671 838 Landline Pti Pacifica Inc. Hagåtña
671 848 Landline Pti Pacifica Inc. Hagåtña
671 858 Landline Pti Pacifica Inc. Hagåtña
671 864 Landline Teleguam Holdings, LLC Hagåtña
671 868 Landline Pti Pacifica Inc. Hagåtña
671 878 Landline Pti Pacifica Inc. Hagåtña
671 888 Landline Pti Pacifica Inc. Hagåtña
671 898 Landline Pti Pacifica Inc. Hagåtña
671 922 Landline Pti Pacifica Inc. DBA It&e - Gu Hagåtña
671 929 Wireless Guam Wireless Telephone Company, LLC Hagåtña
671 967 Landline Pti Pacifica Inc. Hagåtña
671 969 Landline Docomo Pacific, Inc. Hagåtña
671 971 Landline Pti Pacifica Inc. Hagåtña
671 972 Landline Pti Pacifica Inc. Hagåtña
671 977 Landline Pti Pacifica Inc. Hagåtña
671 979 Landline Pti Pacifica Inc. DBA It&e - Gu Hagåtña
671 987 Landline Pti Pacifica Inc. Hagåtña
671 988 Wireless Guam Wireless Telephone Company, LLC Hagåtña
671 989 Landline Docomo Pacific, Inc. Hagåtña
671 997 Landline Pti Pacifica Inc. Hagåtña
671 998 Landline Pti Pacifica Inc. Hagåtña