ASHTABULA — OH
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| T-MOBILE USA, INC. | 6529 | 12 |
| WINDSTREAM WESTERN RESERVE, INC. | 0666 | 8 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | 6025 | 4 |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 3 |
| METROPCS, INC. | 5562 | 2 |