CEDAR SPG — MI
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 2 |
| STRATUS NETWORKS | 495J | 1 |
| ONVOY, LLCV - MI | 543C | 1 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | 1 |
| LEVEL 3 COMMUNICATIONS, LLC - MI | 6120 | 1 |