| District of Michigan area codes: 810 | |
|---|---|
| Country | United States |
| State/Province | Michigan |
| Major City | Flint |
| Time Zone | Eastern |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 810-377 | Sanilac | Lexington, MI | Teleport Communications America |
| 810-378 | Sanilac | Croswell, MI | Ameritech Michigan |
| 810-384 | Saint Clair | Emmett, MI | Frontier North |
| 810-385 | Saint Clair | Fort Gratiot, MI | Ameritech Michigan |
| 810-386 | Sanilac | Deckerville, MI | Phone Michigan |
| 810-387 | Saint Clair | Yale, MI | Frontier North |
| 810-388 | Saint Clair | Marysville, MI | Ameritech Michigan |
| 810-389 | Genesee | Flint, MI | American Messaging (am) |
| 810-390 | Genesee | Fenton, MI | Local Exchange Carriers Of Michigan |
| 810-391 | Genesee | Flint, MI | Talk America Inc. |
| 810-392 | Saint Clair | Memphis, MI | Frontier North |
| 810-394 | Genesee | Flint, MI | Omnipoint Communications Midwest Operations LLC |
| 810-395 | Saint Clair | Capac, MI | Frontier North |
| 810-396 | Genesee | Flint, MI | Telnet Worldwide |
| 810-397 | Genesee | Flint, MI | Sprint Spectrum L.p. |
| 810-398 | Sanilac | Lexington, MI | Telnet Worldwide |
| 810-399 | Genesee | Flint, MI | Cellco Partnership DBA Verizon Wireless |
| 810-400 | Saint Clair | Marine City, MI | Telnet Worldwide |
| 810-404 | Sanilac | Carsonville, MI | Thumb Cellular Limited Partnership |
| 810-406 | Genesee | Flint, MI | Cellco Partnership DBA Verizon Wireless |
There are 424 prefixes, In the code area, the major cities are Burton, MI;Flint, MI;Port Huron, MI. The major city is Flint.