GREENWICH — OH
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| FRONTIER NORTH, INC. - OH | 0615 | 1 |
| ONVOY SPECTRUM, LLC | 624H | 1 |
| TWC IP ENABLED SERVICES, LLC | 793K | 1 |
Data last updated: June 25, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| FRONTIER NORTH, INC. - OH | 0615 | 1 |
| ONVOY SPECTRUM, LLC | 624H | 1 |
| TWC IP ENABLED SERVICES, LLC | 793K | 1 |