Guam Area Code Information

Guam Area Codes

671



Guam is currently using one area code. Guam does not utilize any area code overlays. Area code 671 covers all of the Guam.

Prior to 07/01/1997 Guam did not participate in the North American Number Plan and instead used 671 as a country code.

Prior to Guam participating in the North American Number Plan in 1997 callers from mainland United States had to make an international call to Guam. The FCC has established regulations which require long distance carrier to treat call to and from Guam as domestic calls. This also allowed calllers from Guam to use US toll free numbers. In Guam telephone service is regulated by the Guam Telephone Authority.

Changes and History of Guam Area Codes:

07/01/1997
Area code 671 was put into service.








Related pages


whats the area code for virginiazip code for ft leonard wood moarea code in chicago illinoiswhat location is area code 407zip code maitland flwhat area code 951bellville area code331 area code zip code614 timezonearea code for charleston sc758 area code469 phone area codearea code 787 time zonewhere is the area code 412truckee area codewhere is 953 area codecountry code 819area code georgiasaskatoon area codesarea code for wichita falls texasarea code 360 prefixesarea code kalispell mtpawtucket area codewhere is the area code 832mishawaka indiana area codewhere is area code 539area code for los angeles cawhere is the area code 406 locatedarea code 617 canadagwinnett county area code224 dial codekansas city craipenticton phone numbershillsboro ohio zip codegrafton ny zip codepatoka iltelephone area code 804corona california time zonelillington nc area codearea code for west covina caarea code for nj512 area code mapwhat is the time now in mstarea code for renton waarea codes in north carolinathornton postal codecountry calling code 234what is the zip code for andover ma917 dialling codelada 956area code for mansfield ohiotaiwan dialling code from ukatea code 561atwater area codeplainfield area codewhat is the area code for iowastd code for thailandarea code albertaarea code manassas vadialling code cardiff813 area code locationkennewick washington area codearea code in njwhat area code is 519hilliard ohio zip codeare code 809where is 718 area code locateddialing mexico from the usa579 area codeelko nv timezone