OKLD TRNID — CA
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| PACIFIC BELL | 9740 | 34 |
| T-MOBILE USA, INC. | 6529 | 8 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | 3 |
| FRACTEL, LLC | 965H | 3 |
| COMCAST PHONE OF CALIFORNIA, LLC | 394L | 2 |