TULSA — OK
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| SOUTHWESTERN BELL | 9533 | 101 |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 56 |
| UNITED STATES CELLULAR - OK | 6272 | 36 |
| T-MOBILE USA, INC. | 6529 | 29 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK | 5813 | 24 |