Guam Area Codes — 1 Codes
Guam has 1 North American Numbering Plan area code, covering about 0 people. The table lists each code with its largest towns, population and overlaps.
All area codes in Guam
| Area code | Largest towns | Population | ZIP codes | Overlaps |
|---|---|---|---|---|
| 671 | Hagatna, Tamuning, Dededo | 0 | 21 | — |
Largest cities in Guam
Frequently asked questions
How many area codes does Guam have?
Guam uses 1 area codes.
What is the main area code in Guam?
671 covers the largest population in Guam.
How do I find the area code for a town?
Open the town in the city list above; each town page lists every area code assigned to it.