STILLWATER — OK
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| SOUTHWESTERN BELL | 9533 | 11 |
| T-MOBILE USA, INC. | 6529 | 5 |
| LEVEL 3 COMMUNICATIONS, LLC - OK | 5257 | 3 |
| ONVOY, LLC - OK | 409F | 2 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK | 5813 | 2 |