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Post Offices in Old Mission

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

1. USPS Post Office Old Mission (MI)
4007 Swaney Rd
Old Mission, MI 49673
The Post Office is open Monday to Wednesday and on Friday from 10:00 am to 2:00 pm and on Saturday from 11:00 am to 1:00 pm. It is closed on Thursday and on Sunday.