Most of the WZZM 13 contests are open to Michigan residents living in the following counties: Allegan, Barry, Branch, Calhoun, Clare, Clinton, Eaton, Gratiot, Ionia, Isabella, Kalamazoo, Kent, Lake, Manistee, Mason, Mecosta, Midland, Missaukee, Montcalm, Muskegon, Newaygo, Oceana, Osceola, Ottawa, St. Joseph, VanBuren and Wexford. You must 18 years or older at the time of entry.