Michigan Area Codes
Directory of all 14 telephone area codes assigned to Michigan.
Michigan phone numbers are served by 14 area codes operating in the Eastern / Central timezone.Because an overlay is active, 10-digit dialing is mandatory across much of the state. No area codes in Michigan are currently flagged as high-risk scams.
Most populated prefix: area code 313 (Michigan)
All Area Codes in Michigan
Area Code 231
Muskegon, Norton Shores, Traverse City, Cadillac, Muskegon Heights, Big Rapids, Ludington, Manistee, Petoskey, Cheboygan
Area Code 248
Troy, Farmington Hills, Rochester Hills, Southfield, Novi, Pontiac, Royal Oak, Oak Park, Madison Heights, Auburn Hills
Area Code 269
Kalamazoo, Battle Creek, Portage, Niles, Sturgis, Benton Harbor, Three Rivers, St. Joseph, Hastings, Marshall
Area Code 278
Ann Arbor, Ypsilanti
Area Code 313
Detroit, Dearborn, Taylor, Dearborn Heights, Lincoln Park, Hamtramck, Highland Park
Area Code 517
Lansing, East Lansing, Jackson, Adrian, Coldwater, Howell, Charlotte, Tecumseh, Mason, Hillsdale
Area Code 586
Warren, Sterling Heights, St. Clair Shores, Roseville, Eastpointe, Grosse Pointe Woods, Mount Clemens, Harper Woods, Fraser, New Baltimore
Area Code 616
Grand Rapids, Wyoming, Kentwood, Holland, Walker, Grandville, Ionia, East Grand Rapids, Grand Haven, Greenville
Area Code 679
Detroit, Hamtramck, Highland Park
Area Code 734
Ann Arbor, Dearborn, Livonia, Westland, Taylor, Dearborn Heights, Lincoln Park, Southgate, Allen Park, Garden City
Area Code 810
Flint, Burton, Port Huron, Fenton, Marysville, Lapeer, Flushing, Brighton, Grand Blanc, St. Clair
Area Code 906
Marquette, Sault Ste. Marie, Escanaba, Houghton, Menominee, Iron Mountain, Ishpeming, Gladstone, Kingsford, Ironwood
Area Code 947
Troy, Farmington Hills, Rochester Hills, Southfield, Novi, Pontiac, Royal Oak, Oak Park, Madison Heights, Auburn Hills
Area Code 989
Saginaw, Midland, Bay City, Mount Pleasant, Owosso, Alpena, Alma, St. Johns, St. Louis, Manistee
Major Cities Served by Michigan Area Codes
The most populous urban centers and census places covered by Michigan's area codes, ranked by population.
Michigan Area Code FAQs
Quick answers to common questions about Michigan telephone area codes.
How many area codes does Michigan have?
Michigan has 14 area codes: 231, 248, 269, 278, 313, 517, 586, 616, 679, 734, 810, 906, 947, 989.
What timezone do Michigan area codes use?
Michigan area codes operate in the Eastern / Central timezone.
What is the most populated area code in Michigan?
Area code 313 is the most populous prefix in Michigan based on covered city population.
Which Michigan area codes share an overlay?
248 and 947, 313 and 679, 734 and 679. Overlay codes serve the same area, which is why 10-digit dialing is required.
Are there scam area codes in Michigan?
Michigan has no area codes currently flagged as high-risk scams.
About Michigan Area Codes & Phone Dialing Rules
When placing calls within Michigan, ten-digit dialing (area code + 7-digit telephone number) is required in overlay regions where multiple area codes serve the same geographic boundaries.