SAGINAW — MI
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| MICHIGAN BELL TEL CO | 9323 | 29 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | 22 |
| OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | 2964 | 15 |
| AMERICAN MESSAGING SERVICES, LLC | 9748 | 9 |
| PAETEC ITEL, LLC | 829J | 6 |