US Post Office, 111 N 6th St, Saint Louis, Missouri, 63101-1803

Store Hours of Operation, Location & Phone Number for US Post Office

The map and information below will help you find the closest US Post Office near you. Need to know what time US Post Office in Saint Louis opens or closes, or whether it's open 24 hours a day? Read below for business times, daylight and evening hours, street address, and more.


  1. US Post Office
    111 N 6th St Saint Louis MO 63101-1803

    Hours (Opening & Closing Times):
    Mon - Fri 9:00am - 5:00pm Sat - Sun Closed

    Phone Number: (314) 621-0137

    Customer Service Email or Contact:
    http://faq.usps.com/adaptivedesktop/faq.jsp?ef=USPSFAQ&dest=EmailUs

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