COOPERSVL — MI
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| ACE TEL. CO. OF MICHIGAN, INC. | 0669 | 1 |
| FRONTIER NORTH, INC. - MI | 0695 | 1 |
| ACD TELECOM, INC. - MI | 3535 | 1 |
| ONVOY, LLCV - MI | 543C | 1 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7157 | 1 |