Guam Area Codes
Each of the 1 area codes in Guam are listed below. The Guam area code listing below lists area codes in several sections. First, GU area codes by city are shown for the largest cities in Guam. Next, the list shows Guam area codes by number. If you still can't find what you are looking for and the searches below do not help, the area code finder on our home page may be what you are looking for.
Guam Area Code Map
GU Area Codes for the Largest Cities
- Hagatna area code 671