Upper Peninsula - Gogebic, Ontonagon, Houghton, Keweenaw, Iron, Baraga, Marquette, Dickinson, Menominee, Alger, Delta, Schoolcraft, Luce, Chippewa, and Mackinac counties 

Northeast - Cheboygan, Presque Isle, Otsego, Montmorency, Alpena, Crawford, Oscoda, Alcona, Roscommon, Ogemaw, Iosco, Gladwin, Arenac counties 

Northwest - Emmet, Charlevoix, Antrim, Leelanau, Benzie, Grand Traverse, Kalkaska, Manistee, Wexford, Missaukee, Mason, Lake, Osceola, Clare counties 

East Central - Midland, Bay, Saginaw, Shiawassee, Genesee, Tuscola, Huron, Lapeer, Sanilac, and St. Clair counties 

West Central - Isabella, Gratiot, Mecosta, Clinton, Montcalm, Newaygo, Kent, Ionia, Oceana, Muskegon, and Ottawa counties 

Southeast-   Macomb, Oakland, Wayne, Livingston, Washtenaw, Lenawee, Ingham, Jackson, Hillsdale counties 

Southwest - Eaton, Calhoun, Barry, Kalamazoo, St. Joseph, Allegan, Van Buren, Cass, and Berrien counties