Phone numbers in Unalaska, Alaska
Unalaska has 4 phone prefixes in area code 907.
Biggest holders: General Communication, Telalaska Cellular, Interior Tel. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 25%
- Phone company 75%
Every prefix in Unalaska
Search the first six digits of a number in this list. If it's here, the number started in Unalaska with the carrier shown. If it isn't, check the Alaska page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 907-359 | General Communication | Phone company | 2002 |
| 907-391 | Telalaska Cellular | Mobile carrier | – |
| 907-581 | Interior Tel | Phone company | – |
| 907-872 | Optimera | Phone company | 2018 |
Most prefixes are pooled: the 10,000 numbers in each are handed out in blocks of 1,000 to different carriers, and people can also take their numbers to another carrier. So the carrier shown is where the prefix started, not a guarantee about any one number. Source: NANPA central office code records, 2026-10-10.