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Post Offices in Columbus Junction

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

1. USPS Post Office Columbus Junction (IA)

Columbus Junction, IA 52738

The Post Office is open Monday to Friday from 8:15 am to 4:15 pm and on Saturday from 8:15 am to 10:00 am. It is closed on Sunday.