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Post Offices in Cosmos

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

1. USPS Post Office Cosmos (MN)
235 Milkyway St S
Cosmos, MN 56228

The Post Office is open Monday to Friday from 7:30 am to 1:30 pm and on Saturday from 8:15 am to 9:30 am. It is closed on Sunday.