Post Offices
Post Offices in & near Mackinac Island, Michigan. Operating hours, locations, phone/fax number, services information.
Mackinac Island Post Office
Post Office in Mackinac Island, Michigan on Market St. Operating hours, phone number, services information, and other locations.
Address: 7316 Market St, Mackinac Island, MI 49757
Phone: 906-847-3821
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 9:00am - 1:00pm, 2:00pm - 4:00pmTuesday 9:00am - 1:00pm, 2:00pm - 4:00pm
Wednesday 9:00am - 1:00pm, 2:00pm - 4:00pm
Thursday 9:00am - 1:00pm, 2:00pm - 4:00pm
Friday 9:00am - 1:00pm, 2:00pm - 4:00pm
Saturday 10:00am - 11:00am
Sunday Closed
Lobby Hours
Monday 12:00pmTuesday 12:00pm
Wednesday 12:00pm
Thursday 12:00pm
Friday 12:00pm
Saturday 11:00am
Sunday Closed
Last Collection Times
Monday 9:00am - 1:00pm, 2:00pm - 4:00pmTuesday 9:00am - 1:00pm, 2:00pm - 4:00pm
Wednesday 9:00am - 1:00pm, 2:00pm - 4:00pm
Thursday 9:00am - 1:00pm, 2:00pm - 4:00pm
Friday 9:00am - 1:00pm, 2:00pm - 4:00pm
Saturday Closed
Sunday Closed