Michigan uses multiple area codes to serve its residents, businesses, and organizations across the state. These area codes cover major cities such as Detroit, Grand Rapids, Lansing, Ann Arbor, Flint, and many other communities.
The 989 area code serves central and northeastern Michigan, including Saginaw, Midland, Bay City, Mount Pleasant, and Owosso. It went into service on April 7, 2001, runs on Eastern Time, and remains the only area code for its region with no overlay in place. What Is the 989 Area Code? The location of area code…
The 947 area code serves southeastern Michigan. It is an overlay code layered on top of area code 248, covering Oakland County and parts of Wayne and Livingston counties, including Troy, Southfield, Farmington Hills, Pontiac, Rochester Hills, Royal Oak, Novi, and Birmingham. It runs on Eastern Time and has been active since September 7, 2002….
The 906 area code serves Michigan’s entire Upper Peninsula, including Marquette, Sault Ste. Marie, Escanaba, Houghton, and Iron Mountain. It has been in service since March 19, 1961, covers around 15–18 counties, and remains the only area code for the region; no overlay has ever been needed. What Is the 906 Area Code? Area code…
The 810 area code serves east-central Michigan, including Flint, Port Huron, Lapeer, Burton, and the southern Thumb region. Telecommunications authorities introduced the area code on December 1, 1993, to meet the growing demand for new phone numbers. The area code operates entirely in the Eastern Time Zone and remains a single, non-overlay area code. Residents…
The 734 area code serves southeastern Michigan, including Ann Arbor, Ypsilanti, Livonia, Canton, Plymouth, Westland, and Monroe. Telecommunications authorities activated the 734 area code on December 13, 1997, after splitting it from the 313 area code. The area code covers only the Eastern Time Zone. In November 2025, regulators introduced the 679 overlay area code…
The 679 area code serves Detroit, Michigan, and its surrounding Wayne County suburbs. It launched on November 7, 2025, as an overlay for the historic 313 area code, meaning both codes now cover the same geographic area. Because of this overlay, all local calls in the region require 10-digit dialing (area code + phone number)….
The 616 area code serves West Michigan, with Grand Rapids as its primary city. It covers all of Kent and Ottawa counties, as well as parts of Allegan, Barry, Ionia, and Montcalm counties. The North American Numbering Plan established the area code in 1947 as one of the original area codes. Because the region does…
The 586 area code serves Macomb County and parts of southeastern Michigan, in the Metro Detroit region. It covers cities such as Warren, Sterling Heights, St. Clair Shores, Roseville, Clinton Township, and Mount Clemens. It runs on Eastern Time and has been active since September 22, 2001. What Is the 586 Area Code? Michigan 586…
The 517 area code serves south-central Michigan, centered on the state capital, Lansing. It covers East Lansing, Jackson, Howell, Adrian, Coldwater, and dozens of surrounding communities in the Eastern Time Zone. Created in 1947, it’s one of Michigan’s original three area codes and has never been overlaid. Local calls can still be dialed with 7…
The 313 area code serves Detroit, Michigan, and nearby Wayne County communities, including Hamtramck, Highland Park, Dearborn, Dearborn Heights, the Grosse Pointes, Lincoln Park, and Taylor. The North American Numbering Plan introduced the 313 area code in 1947 as one of the original 86 area codes. It now shares the same service area with the…