Secretary of State Branch Office (Ontonagon) 728 S. 7th St.Ontonagon Michigan 49953 MI USA 728 S. 7th St.Directions (888) 767-6424 Monday 09:00 am - 05:00 pm Tuesday 09:00 am - 05:00 pm Wednesday 11:00 am - 07:00 pm Thursday 09:00 am - 05:00 pm Friday 09:00 am - 05:00 pm Saturday Closed Sunday Closed
