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List of Michigan area codes
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This is a list of telephone area codes in Michigan, United States.
- 231 - Northern Michigan: Traverse City, Ludington, Muskegon, Petoskey and northwestern Michigan
- 248 - Metro Detroit: Troy, Oakland County, Pontiac, Southfield, Rochester Hills and northwestern Detroit suburbs, overlays with area code 947
- 269 - Western Michigan: Battle Creek, Benton Harbor, Allegan, Hastings, Kalamazoo, and St Joseph
- 313 - Dearborn, Redford Township and the city of Detroit
- 517 - Central Michigan: Lansing, Jackson, Charlotte, Coldwater, Howell, Deerfield, Addison
- 586 - All of Macomb County, Michigan
- 616 - Western Michigan: Grand Rapids, Holland, Greenville, Grand Haven, Zeeland, Ionia
- 734 - Metro Detroit: Ann Arbor, Monroe, Wayne, and Ypsilanti
- 810 - Southern Flint/Tri-Cities: Port Huron, Flint, Flushing, Brighton, Sandusky, and Lapeer
- 906 - All of the Upper Peninsula and Mackinac Island
- 989 - Northern Flint/Tri-Cities and Northern Michigan: Alpena, Mt. Pleasant, Bay City, Saginaw, Midland, Owosso, Gaylord, and Bad Axe
Proposed Area Codes
- 947 - Troy, Oakland County, Pontiac, Southfield, Rochester Hills 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.
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