HILLCREST — OH
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| OHIO BELL TEL CO | 9321 | 19 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH | 7443 | 11 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH | 6025 | 8 |
| LEVEL 3 COMMUNICATIONS, LLC - OH | 4863 | 4 |
| ONVOY, LLC - OH | 464C | 2 |