MIDDLETOWN — CA
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | 1 |
| UNITED STATES CELLULAR - CA | 6261 | 1 |
| ONVOY, LLC - CA | 649C | 1 |
| T-MOBILE USA, INC. | 6529 | 1 |
| PACIFIC BELL | 9740 | 1 |
Data last updated: June 25, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | 1 |
| UNITED STATES CELLULAR - CA | 6261 | 1 |
| ONVOY, LLC - CA | 649C | 1 |
| T-MOBILE USA, INC. | 6529 | 1 |
| PACIFIC BELL | 9740 | 1 |