OKLAHOMA
| Area Code | Ratecenter | Tier |
|---|
| 405 | ANADARKO | 3 |
| 405 | ARCADIA | 1 |
| 405 | BETHANY | 1 |
| 405 | BRITTON | 1 |
| 405 | CHANDLER | 3 |
| 405 | EDMOND | 1 |
| 405 | EL RENO | 1 |
| 405 | GUTHRIE | 1 |
| 405 | HOLDENVL | 3 |
| 405 | LINDSAY | 3 |
| 405 | MIDWEST CY | 1 |
| 405 | MOORE | 1 |
| 405 | NOBLE | 1 |
| 405 | NORMAN | 1 |
| 405 | OKLA CITY | 1 |
| 405 | PAULS VLY | 3 |
| 405 | PERKINS | 1 |
| 405 | PIEDMONT | 1 |
| 405 | SEMINOLE | 3 |
| 405 | SHAWNEE | 1 |
| 405 | SPENCER | 1 |
| 405 | STILLWATER | 1 |
| 405 | TUTTLE | 1 |
| 405 | WHEATLAND | 1 |
| 405 | WYNNEWOOD | 3 |
| 405 | YUKON | 1 |
| 580 | ADA | 3 |
| 580 | ALVA | 1 |
| 580 | ANTLERS | 3 |
| 580 | ARDMORE | 3 |
| 580 | BESSIE | 3 |
| 580 | BLACKWELL | 1 |
| 580 | CLINTON | 3 |
| 580 | CORDELL | 3 |
| 580 | DAVIS | 3 |
| 580 | DUNCAN | 3 |
| 580 | ELK CITY | 3 |
| 580 | ELMORECITY | 3 |
| 580 | ENID | 1 |
| 580 | HEALDTON | 3 |
| 580 | HOBART | 3 |
| 580 | KAW CITY | 3 |
| 580 | KONAWA | 3 |
| 580 | LAWTON | 3 |
| 580 | MADILL | 3 |
| 580 | MARIETTA | 3 |
| 580 | MARLOW | 3 |
| 580 | PERRY | 3 |
| 580 | PONCA CITY | 1 |
| 580 | ROFF | 3 |
| 580 | RUSH SPG | 3 |
| 580 | SARKNSASCY | 3 |
| 580 | TONKAWA | 1 |
| 580 | WEATHERFD | 3 |
| 580 | WOODWARD | 3 |
| 918 | BARTLESVL | 1 |
| 918 | BRISTOW | 3 |
| 918 | BROKENARRW | 2 |
| 918 | CATOOSA | 1 |
| 918 | CHECOTAH | 3 |
| 918 | CLAREMORE | 3 |
| 918 | COLLINSVL | 3 |
| 918 | COMMERCE | 3 |
| 918 | COPAN | 1 |
| 918 | CUSHING | 3 |
| 918 | DEPEW | 3 |
| 918 | DEWEY | 1 |
| 918 | DRUMRIGHT | 3 |
| 918 | EUFAULA | 1 |
| 918 | GROVE | 3 |
| 918 | JENKS | 1 |
| 918 | KETCHUM | 1 |
| 918 | MCALESTER | 1 |
| 918 | MIAMI | 3 |
| 918 | MUSKOGEE | 1 |
| 918 | NEW HOME | 3 |
| 918 | NOWATA | 1 |
| 918 | OKEMAH | 1 |
| 918 | OWASSO | 1 |
| 918 | PRYOR | 1 |
| 918 | SALLISAW | 1 |
| 918 | SAND SPG | 3 |
| 918 | SAPULPA | 1 |
| 918 | SKIATOOK | 3 |
| 918 | SPIRO | 3 |
| 918 | TAHLEQUAH | 1 |
| 918 | TULSA | 1 |
| 918 | VINITA | 3 |
| 918 | WILBURTON | 1 |