| District of Oklahoma area codes: 580 | |
|---|---|
| Country | United States |
| State/Province | Oklahoma |
| Major City | Oklahoma City |
| Time Zone | Central (UTC-06:00) |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 580-328 | Dewey | Taloga, OK | Dobson Telephone Co. |
| 580-329 | Garfield | Carrier, OK | Fulltel |
| 580-330 | Custer | Weatherford, OK | Cellular Network Partnership |
| 580-331 | Custer | Clinton, OK | Southwestern Bell |
| 580-332 | Pontotoc | Ada, OK | Southwestern Bell |
| 580-333 | Stephens | Comanche, OK | Cellular Network Partnership |
| 580-334 | Woodward | Woodward, OK | Cellular Network Partnership |
| 580-335 | Tillman | Frederick, OK | Pioneer Telephone Cooperative |
| 580-336 | Noble | Perry, OK | Southwestern Bell |
| 580-337 | Washita | Bessie, OK | Southwestern Bell |
| 580-338 | Texas | Guymon, OK | Panhandle Telephone Cooperative |
| 580-339 | Beckham | Elk City, OK | New Cingular Wireless PCS - IL |
| 580-340 | Carter | Ardmore, OK | T-mobile Usa |
| 580-341 | Carter | Ardmore, OK | T-mobile Usa |
| 580-342 | Cotton | Temple, OK | Pioneer Telephone Cooperative |
| 580-343 | Washita | Corn, OK | Windstream Oklahoma |
| 580-344 | Kay | Ponca City, OK | Fulltel |
| 580-345 | Choctaw | Soper, OK | Southwestern Bell |
| 580-346 | Atoka | Stringtown, OK | Windstream Oklahoma |
| 580-347 | Kiowa | Gotebo, OK | Windstream Oklahoma |
There are 654 prefixes, In the code area, the major cities are Altus, OK;Ardmore, OK;Duncan, OK;Enid, OK;Lawton, . The major city is Oklahoma City.