PLYMOUTH — CA
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| COMCAST PHONE OF CALIFORNIA, LLC | 394L | 1 |
| ONVOY SPECTRUM, LLC | 624H | 1 |
| ONVOY, LLC - CA | 649C | 1 |
| PACIFIC BELL | 9740 | 1 |
Data last updated: June 25, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| COMCAST PHONE OF CALIFORNIA, LLC | 394L | 1 |
| ONVOY SPECTRUM, LLC | 624H | 1 |
| ONVOY, LLC - CA | 649C | 1 |
| PACIFIC BELL | 9740 | 1 |