PassportMap

Marine City Post Office

Post office

460 S. Water Street, Marine City, MI 48039

(810) 765-9311

Please call for an appointment at 810-765-9311. Hours are M-F 10am to 3pm/Sat 9:30am to 11:30am.

Appointment required

Hours and addresses come from the State Department listing, updated November 2, 2026.

Marine City Post Office accepts new U.S. passport applications in person in Marine City, MI. First-time and child visits are booked on the USPS scheduler. Search ZIP 48039. How to apply · How to renew