SAND LAKE — MI
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | 2964 | 1 |
| LEVEL 3 COMMUNICATIONS, LLC - MI | 6120 | 1 |
| MICHIGAN BELL TEL CO | 9323 | 1 |
| BANDWIDTH.COM CLEC, LLC - MI | 991E | 1 |