Post Offices

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

Clayton Post Office

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

Address: 3409 State St, Clayton, MI 49235
Phone: 517-445-2468
Fax: 517-445-2798
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 8:00am - 11:30am, 12:00pm - 2:30pm
Tuesday 8:00am - 11:30am, 12:00pm - 2:30pm
Wednesday 8:00am - 11:30am, 12:00pm - 2:30pm
Thursday 8:00am - 11:30am, 12:00pm - 2:30pm
Friday 8:00am - 11:30am, 12:00pm - 2:30pm
Saturday 8:00am - 10:00am
Sunday Closed

Lobby Hours

Monday 6:30am - 6:30pm
Tuesday 6:30am - 6:30pm
Wednesday 6:30am - 6:30pm
Thursday 6:30am - 6:30pm
Friday 6:30am - 6:30pm
Saturday 6:30am - 6:30pm
Sunday 6:30am - 6:30pm

Last Collection Times

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