HARRISON — OH
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| ONVOY, LLC - OH | 464C | 2 |
| CINCINNATI BELL | 9348 | 2 |
| LEVEL 3 COMMUNICATIONS, LLC - OH | 4863 | 1 |
| LEVEL 3 TELECOM OF OHIO, LLC - OH | 7460 | 1 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7836 | 1 |