Post Offices

Post Offices in & near Onondaga, Michigan. Operating hours, locations, phone/fax number, services information.

Onondaga Post Office

Post Office in Onondaga, Michigan on Oak St. Operating hours, phone number, services information, and other locations.

Address: 5555 Oak St, Onondaga, MI 49264
Phone: 517-628-2232
Fax: 517-628-2161
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 8:00am - 11:00am, 1:00pm - 4:00pm
Tuesday 8:00am - 11:00am, 1:00pm - 4:00pm
Wednesday 8:00am - 11:00am, 1:00pm - 4:00pm
Thursday 8:00am - 11:00am, 1:00pm - 4:00pm
Friday 8:00am - 11:00am, 1:00pm - 4:00pm
Saturday 9:00am - 10:00am
Sunday Closed

Lobby Hours

Monday 4:00pm
Tuesday 4:00pm
Wednesday 4:00pm
Thursday 4:00pm
Friday 4:00pm
Saturday 10:00am
Sunday Closed

Last Collection Times

Monday 8:00am - 11:00am, 1:00pm - 4:00pm
Tuesday 8:00am - 11:00am, 1:00pm - 4:00pm
Wednesday 8:00am - 11:00am, 1:00pm - 4:00pm
Thursday 8:00am - 11:00am, 1:00pm - 4:00pm
Friday 8:00am - 11:00am, 1:00pm - 4:00pm
Saturday Closed
Sunday Closed