The area code of Warren, Michigan is 586
Coopersville, Michigan, is in area code 616, the same as Grand Rapids.
Area code 248 is for Michigan.
Lansing, Michigan, is in area code 517.
810 code is used in Michigan
Traverse City, Michigan, is in area code 231.
Area code +1 906 is the Upper Peninsula of Michigan.
Livonia, Michigan, is in North American (country code +1) area codes 734, 248, and 947.
Area code 989 is the area around Saginaw, Michigan, and area code 757 is Norfolk, Virginia. Halfway between them, by driving distance, would be somewhere around Pittsburgh, Pennsylvania.
Warren and Macomb County, Michigan.
The 517 area code relates to the south central portion of the lower peninsula of Michigan. Cities that use this area code include Charlotte, Mason, Easton Rapids, Lansing, East Lansing and Jackson.
In 1947, when area codes were introduced to the US and Canada, the entire Detroit metro area was area code 313. Other area codes were added starting in the 1990's.