FRANKFORT — MI
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| 123.NET, LLC | 2550 | 1 |
| HD CARRIER LLC | 321J | 1 |
| ACD TELECOM, INC. - MI | 3535 | 1 |
| SPOK, INC. | 6630 | 1 |
| INTERACTIVE SERVICES NETWORK, INC. | 817J | 1 |
Data last updated: March 10, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| 123.NET, LLC | 2550 | 1 |
| HD CARRIER LLC | 321J | 1 |
| ACD TELECOM, INC. - MI | 3535 | 1 |
| SPOK, INC. | 6630 | 1 |
| INTERACTIVE SERVICES NETWORK, INC. | 817J | 1 |