FERNDALE — CA
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| CITIZENS TELECOM CA. DBA FRONTIER COM OF CA | 2308 | 1 |
| WIDE VOICE, LLC - CA | 252F | 1 |
| CSC VOICE, LLC | 612K | 1 |
Data last updated: June 25, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| CITIZENS TELECOM CA. DBA FRONTIER COM OF CA | 2308 | 1 |
| WIDE VOICE, LLC - CA | 252F | 1 |
| CSC VOICE, LLC | 612K | 1 |