| District of Michigan area codes: 810 | |
|---|---|
| Country | United States |
| State/Province | Michigan |
| Major City | Flint |
| Time Zone | Eastern |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 810-670 | Genesee | Mount Morris, MI | Phone Michigan |
| 810-671 | Saint Clair | Algonac, MI | Teleport Communications America |
| 810-672 | Sanilac | Snover, MI | Ameritech Michigan |
| 810-673 | Lapeer | Almont, MI | Teleport Communications America |
| 810-674 | Sanilac | Applegate, MI | Teleport Communications America |
| 810-676 | Saint Clair | Marine City, MI | Phone Michigan |
| 810-678 | Lapeer | Metamora, MI | Frontier North |
| 810-679 | Sanilac | Croswell, MI | Ameritech Michigan |
| 810-680 | Livingston | Brighton, MI | American Messaging (am) |
| 810-682 | Sanilac | Sandusky, MI | Phone Michigan |
| 810-683 | Lapeer | Imlay City, MI | Phone Michigan |
| 810-686 | Genesee | Clio, MI | Ameritech Michigan |
| 810-687 | Genesee | Clio, MI | Ameritech Michigan |
| 810-688 | Lapeer | North Branch, MI | Frontier North |
| 810-689 | Saint Clair | Port Huron, MI | Sprint Spectrum L.p. |
| 810-691 | Genesee | Flint, MI | Sprint Spectrum L.p. |
| 810-692 | Shiawassee | Byron, MI | Broadwing Communications |
| 810-694 | Genesee | Grand Blanc, MI | Ameritech Michigan |
| 810-695 | Genesee | Grand Blanc, MI | Ameritech Michigan |
| 810-696 | Sanilac | Lexington, MI | Broadwing Communications |
There are 424 prefixes, In the code area, the major cities are Burton, MI;Flint, MI;Port Huron, MI. The major city is Flint.