DELPHOS — OH
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| BRIGHTSPEED OF NORTHWEST OHIO, INC. | 0661 | 2 |
| TELNYX LLC | 073H | 1 |
| LEVEL 3 COMMUNICATIONS, LLC - OH | 4863 | 1 |
| AERIAL COMMUNICATIONS, INC. | 6701 | 1 |
| FORT JENNINGS TELEPHONE COMPANY - OH | 816D | 1 |