WILLOWS, CA Rate Center
WILLOWS — CA
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| BOOST SUBSCRIBERCO L.L.C. | 490J | 1 |
| IP HORIZON LLC | 515J | 1 |
| ONVOY, LLC - CA | 649C | 1 |
| T-MOBILE USA, INC. | 6529 | 1 |
| LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | 1 |