Umatac Area Code - Guam, Guam, GU
| City | Umatac |
| State | Guam |
| Zip Code | 96918 |
| Area Code | 671 |
| County | Guam |
| State Code | GU |
| Time Zone | PST-6 |
| Longitude | -144.45 |
| Latitude | 13.28 |
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