Phone numbers in Roosevelt, Utah
Roosevelt has 5 phone prefixes in area code 435.
Biggest holders: AT&T Mobility, Strata Networks, Uintah Basin Electronic Telecommunications. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 40%
- Phone company 60%
Every prefix in Roosevelt
Search the first six digits of a number in this list. If it's here, the number started in Roosevelt with the carrier shown. If it isn't, check the Utah page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 435-401 | AT&T Mobility | Mobile carrier | 2008 |
| 435-722 | Strata Networks | Phone company | – |
| 435-724 | AT&T Mobility | Mobile carrier | – |
| 435-725 | Strata Networks | Phone company | – |
| 435-823 | Uintah Basin Electronic Telecommunications | Phone company | – |
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.