MIDWEST CY — OK
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| SOUTHWESTERN BELL | 9533 | 10 |
| COMCAST IP PHONE, LLC | 318J | 2 |
| ONVOY, LLC - OK | 409F | 1 |
| TON80 COMMUNICATIONS, LLC | 516J | 1 |
| TELEPORT COMMUNICATIONS AMERICA OK - LLC | 530C | 1 |