ISLETON — 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 |
| CENTURYLINK COMMUNICATIONS, LLC | 508J | 1 |
| ONVOY, LLC - CA | 649C | 1 |
| FRACTEL, LLC | 965H | 1 |
Data last updated: June 25, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| CITIZENS TELECOM CA. DBA FRONTIER COM OF CA | 2308 | 1 |
| CENTURYLINK COMMUNICATIONS, LLC | 508J | 1 |
| ONVOY, LLC - CA | 649C | 1 |
| FRACTEL, LLC | 965H | 1 |