Michigan is served by the INS' Detroit District Office located at: INS Detroit District; 333 Mt. Elliot; Detroit, MI 48207. The Detroit District Office is open to the public from 7:00 AM to 3:30 PM Monday through Friday. We are closed the third Wednesday of each month and all Federal Holidays. Click here to find the INS USCIS Immigration Forms you need! Click Here for Immigration Information, Reports, and Frequent Questions Click here to find the immigration books and manuals you need!