This is a list of telephone area codes in Michigan, United States.
- 231 - Northwestern Lower Michigan: Traverse City, Ludington, Muskegon, Petoskey and Cheboygan
- 248 - Northern Metro Detroit: All of Oakland County, Michigan, Northville, Michigan, and most of Northville Township, Michigan, overlays with area code 947
- 269 - Southwestern Michigan: Battle Creek, Benton Harbor, Allegan, Hastings, Kalamazoo, and St Joseph
- 313 - Detroit, Dearborn, Redford Township, and the Grosse Pointes
- 517 - Central Michigan: Lansing(East Lansing and Lansing), Jackson, Charlotte, Coldwater, Howell, Deerfield, Addison
- 586 - Metro Detroit: All of Macomb County, Michigan
- 616 - Western Michigan: Grand Rapids, Holland, Greenville, Grand Haven, Zeeland, Ionia
- 734 - southern Metro Detroit and north Toledo suburbs (Michigan): Ann Arbor, Monroe, Wayne, and Ypsilanti
- 810 - Southern Flint/Tri-Cities: Port Huron, Flint, Flushing, Otisville, Davison, Brighton, Sandusky, and Lapeer
- 906 - All of the Upper Peninsula and Mackinac Island
- 989 - Northern Flint/Tri-Cities and Northeastern Lower Michigan: Alpena, Mt. Pleasant, Bay City, Saginaw, Midland, Owosso, Gaylord, and Bad Axe
Proposed Area Codes 
- 947 - Troy, Oakland County, Pontiac, Southfield, Rochester and northwestern Detroit suburbs, overlays with area code 248
- 679 - A future overlay to the combined area of the 313 and 734 areas. Not known to be in use as of 2007.
- . Retrieved on January 14, 2007.