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671 area code

Area code 671 is in Guam and some of the main locations covered are Dededo, Yigo, Tamuning, .. (jump to city list below).

Area code 671 has been in service since July 01, 1997.

12:05:25 PM is the current time in area code 671 (Chamorro Standard Time).

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Map of area code 671

NPANXX1 Area served2 Date3
671-300 Agana 3/23/2007
671-333 Agana
671-339 Agana
671-343 Agana
671-344 Agana
671-349 Agana
671-355 Agana
671-362 Agana
671-366 Agana
671-400 Agana 11/4/2010
671-456 Agana
671-471 Agana
671-472 Agana
671-473 Agana
671-474 Agana
671-475 Agana
671-477 Agana
671-478 Agana
671-479 Agana
671-480 Agana 3/13/2015
671-482 Agana
671-483 Agana
671-484 Agana 2/18/2022
671-486 Agana
671-487 Agana 5/7/2009
671-488 Agana 3/28/2002
671-489 Agana 9/7/2011
671-562 Agana
671-563 Agana
671-564 Agana
671-565 Agana
671-588 Agana 5/7/2009
671-632 Agana
671-633 Agana
671-634 Agana
671-635 Agana
671-637 Agana
671-638 Agana
671-642 Agana
671-644 Agana
671-645 Agana
671-646 Agana
671-647 Agana
671-648 Agana
671-649 Agana
671-653 Agana
671-654 Agana
671-678 Agana 5/17/2002
671-682 Agana 2/19/2016
671-683 Agana 2/26/2016
671-685 Agana 11/5/2009
671-686 Agana 11/20/2001
671-687 Agana
671-688 Agana
671-689 Agana
671-707 Agana 3/26/2009
671-726 Agana
671-727 Agana
671-734 Agana
671-735 Agana
671-747 Agana 2/23/2012
671-777 Agana 5/8/2001
671-787 Agana 6/13/2002
671-788 Agana
671-789 Agana
671-797 Agana 4/8/2009
671-828 Agana
671-838 Agana 8/25/2004
671-848 Agana 10/10/2008
671-858 Agana 10/10/2008
671-864 Agana
671-868 Agana 3/10/2003
671-878 Agana 1/13/2005
671-888 Agana
671-898 Agana 8/24/2004
671-922 Agana 2/25/2003
671-929 Agana 4/9/2008
671-967 Agana 8/28/2009
671-969 Agana 1/8/2007
671-971 Agana 2/9/2011
671-972 Agana 2/10/2012
671-977 Agana 8/28/2009
671-979 Agana 9/3/2009
671-987 Agana 7/22/2005
671-988 Agana 3/4/2003
671-989 Agana 2/3/2010
671-997 Agana 3/30/2010
671-998 Agana 3/30/2010
  1. The NPA is the Numbering Plan Area (area code) and NXX is the central office code.
  2. For 'Area served' we list the rate center. In the North American Numbering Plan a rate center is a geographic area used to determine local calling boundaries for billing purposes. Its name is generally a locality, often not the only one served by an NPA-NXX combination.

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List of cities in area code 671

City4 Time5
Agana Heights ChST
Agat ChST
Asan ChST
Barrigada ChST
Chalan Pago-Ordot ChST
Dededo ChST
Hagatna ChST
Inarajan ChST
Mangilao ChST
Merizo ChST
Mongmong-Toto-Maite ChST
Piti ChST
Santa Rita ChST
Sinajana ChST
Talofofo ChST
Tamuning ChST
Umatac ChST
Yigo ChST
Yona ChST
  1. Listed in the table above are most, often not all places served by area code 671. When two or more places with the same name are located in the same state we list the largest one only. Cities with population over 50,000 are displayed in bold text.
  2. ChST stands for Chamorro Standard Time (currently 12:05:25 PM).

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