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Post Offices in Grass Lake

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

1. USPS Post Office Grass Lake (MI)

221 E Michigan Ave

Grass Lake, MI 49240

The Post Office is open Monday to Friday from 9:00 am to 12:00 pm and from 1:00 pm to 2:00 pm. It is closed Saturday and Sunday.