Phone numbers in Seminole, Oklahoma
Seminole has 9 phone prefixes in area codes 405, 572.
Biggest holders: AT&T (local phone), T-Mobile (including Sprint), UScellular. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 44%
- Local phone company 33%
- Internet / business phone carrier 22%
Every prefix in Seminole
Search the first six digits of a number in this list. If it's here, the number started in Seminole with the carrier shown. If it isn't, check the Oklahoma page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 405-220 | UScellular | Mobile carrier | – |
| 405-303 | AT&T (local phone) | Local phone company | – |
| 405-380 | AT&T (local phone) | Local phone company | – |
| 405-382 | AT&T (local phone) | Local phone company | – |
| 405-584 | AT&T Mobility | Mobile carrier | 2001 |
| 405-716 | Level 3 (Lumen) | Internet / business phone carrier | 2002 |
| 405-746 | T-Mobile (including Sprint) | Mobile carrier | 2017 |
| 405-851 | T-Mobile (including Sprint) | Mobile carrier | 2018 |
| 572-472 | Onvoy | Internet / business phone carrier | 2023 |
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.