Guam has 1 telephone area code in the North American Numbering Plan (NANP). Browse the directory to see each code's listed primary location, and select a code for available prefix, company, caller-report, and time-zone details.
An area code may serve multiple communities. The primary location shown here is the largest population center matched to that code in our database, not a complete list of every community served.
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| Area Code | Primary Location | Reports |
|---|---|---|
| 671 | — | 1 report |
| Category | Reports |
|---|---|
| Unknown Caller | 1 |
No population data available for this location.
The listed area codes for Guam primarily use the (UTC+10) Timezone.
If you received a call from an unfamiliar number, a reverse phone lookup may help you find additional information about the caller.
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