DUFFY — OH
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| ONVOY, LLC - OH | 464C | 1 |
| LEVEL 3 COMMUNICATIONS, LLC - OH | 4863 | 1 |
| OHIO BELL TEL CO | 9321 | 1 |
Data last updated: June 25, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| ONVOY, LLC - OH | 464C | 1 |
| LEVEL 3 COMMUNICATIONS, LLC - OH | 4863 | 1 |
| OHIO BELL TEL CO | 9321 | 1 |