County list of Michigan State
| 248 Area Code | |
|---|---|
| Oakland Area Codes | Wayne Area Codes |
| 269 Area Code | ||
|---|---|---|
| Allegan Area Codes | Barry Area Codes | Berrien Area Codes |
| Calhoun Area Codes | Cass Area Codes | Eaton Area Codes |
| Kalamazoo Area Codes | Saint Joseph Area Codes | Van Buren Area Codes |
| 313 Area Code |
|---|
| Wayne Area Codes |
| 586 Area Code |
|---|
| Macomb Area Codes |
| 616 Area Code | ||
|---|---|---|
| Allegan Area Codes | Barry Area Codes | Ionia Area Codes |
| Kent Area Codes | Ottawa Area Codes |
| 734 Area Code | ||
|---|---|---|
| Livingston Area Codes | Monroe Area Codes | Washtenaw Area Codes |
| Wayne Area Codes |
| 810 Area Code | ||
|---|---|---|
| Genesee Area Codes | Lapeer Area Codes | Livingston Area Codes |
| Saint Clair Area Codes | Sanilac Area Codes | Shiawassee Area Codes |
| Washtenaw Area Codes |
| 947 Area Code | |
|---|---|
| Oakland Area Codes | Wayne Area Codes |
| US Area Code |
