Phone numbers in Fort Towson, Oklahoma
Fort Towson has 5 phone prefixes in area code 580.
Biggest holders: Onvoy, AT&T Enterprises, Teleport Communications America Ok. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 20%
- Local phone company 20%
- Internet / business phone carrier 40%
- Phone company 20%
Every prefix in Fort Towson
Search the first six digits of a number in this list. If it's here, the number started in Fort Towson with the carrier shown. If it isn't, check the Oklahoma page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 580-203 | Onvoy | Internet / business phone carrier | – |
| 580-489 | AT&T Enterprises | Phone company | 2022 |
| 580-784 | Teleport Communications America Ok | Internet / business phone carrier | 2023 |
| 580-873 | AT&T (local phone) | Local phone company | – |
| 580-964 | Cross-valliant Cellular Partnership | Mobile carrier | 2011 |
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.