ELK GROVE — CA
Data last updated: October 30, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| CITIZENS TELECOM CA. DBA FRONTIER COM OF CA | 2308 | 18 |
| T-MOBILE USA, INC. | 6529 | 10 |
| NEW CINGULAR WIRELESS PCS, LLC | 6010 | 5 |
| ONVOY, LLC - CA | 649C | 4 |
| FIDIUM ENTERPRISE SERVICES, LLC | 3964 | 3 |