HoursPostOffice.com
For example: "New York", or "Chicago"

Post Offices in Mackinac Island

Click on the Post Office from this list of 1 Post Offices in Mackinac Island to view the opening hours, phone number, drop-off times, services and other information.

1. USPS Post Office Mackinac Island (MI)
7316 Market St
Mackinac Island, MI 49757

The Post Office is open Monday to Friday from 9:00 am to 1:00 pm and from 2:00 pm to 4:00 pm. It is closed Saturday and Sunday.