BAY CITY — MI
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| MICHIGAN BELL TEL CO | 9323 | 10 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | 4 |
| PAETEC ITEL, LLC | 829J | 2 |
| CLEAR RATE COMMUNICATIONS, LLC | 046L | 1 |
| 123.NET, LLC | 2550 | 1 |