DAYTON — OH
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| OHIO BELL TEL CO | 9321 | 81 |
| T-MOBILE USA, INC. | 6529 | 35 |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 33 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | 6025 | 32 |
| LEVEL 3 TELECOM OF OHIO, LLC - OH | 7460 | 10 |