CINCINNATI — OH
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| CINCINNATI BELL | 9348 | 189 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | 6025 | 105 |
| T-MOBILE USA, INC. | 6529 | 64 |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 47 |
| ONVOY, LLC - OH | 464C | 17 |