Montrose Office 200 W. State Street Montrose, MI 48457 810-639-6101 Phone 810-639-1026 Fax Hours of Operation: Lobby: Monday -Thursday 9:00a.m. until 5:00 p.m. Friday 9:00a.m. until 6:00p.m. Saturday- Drive thru only 9:00a.m. until 1:00 p.m.