1 area code assigned to Guam · Chamorro Time
Guam spans 1 LATA — the regions a call is routed within before it becomes long-haul.
Guam has more than one area code in most regions. Enter a city to see which codes serve it, or check a specific number instead.
Guam is served by 1 area code in the North American Numbering Plan (NANP): 671. All Guam numbers are in the Chamorro Time zone. Click any area code above to see the cities and rate centers it covers, formatted tel: link examples, and to search for available phone numbers.