| 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 |
|---|---|---|---|
| 580-305 | Tillman | Frederick, OK | United States Cellular Corp. - Oklahoma |
| 580-306 | Mccurtain | Broken Bow, OK | Pine Telephone Company DBA Pine Cell Phones |
| 580-307 | Noble | Perry, OK | Cellco Partnership DBA Verizon Wireless |
| 580-309 | Custer | Clinton, OK | New Cingular Wireless PCS - IL |
| 580-310 | Pontotoc | Ada, OK | Southwestern Bell |
| 580-312 | Mccurtain | Broken Bow, OK | Pine Telephone Company DBA Pine Cell Phones |
| 580-313 | Jefferson | Waurika, OK | United States Cellular Corp. - Oklahoma |
| 580-314 | Mccurtain | Broken Bow, OK | Pine Telephone Company DBA Pine Cell Phones |
| 580-316 | Marshall | Madill, OK | Fulltel |
| 580-317 | Choctaw | Hugo, OK | Southwestern Bell |
| 580-318 | Jackson | Altus, OK | United States Cellular Corp. - Oklahoma |
| 580-319 | Carter | Ardmore, OK | Southwestern Bell |
| 580-320 | Pontotoc | Ada, OK | United States Cellular Corp. - Oklahoma |
| 580-321 | Choctaw | Spencerville, OK | Cross-valliant Cellular Partnership |
| 580-322 | Jefferson | Waurika, OK | Cellular Network Partnership |
| 580-323 | Custer | Clinton, OK | Southwestern Bell |
| 580-324 | Garfield | Enid, OK | Fulltel |
| 580-325 | Garfield | Carrier, OK | Fulltel |
| 580-326 | Choctaw | Hugo, OK | Southwestern Bell |
| 580-327 | Woods | Alva, OK | Southwestern Bell |
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.