store:
 location:

US Post Office, 755 Adams St, Mason, Illinois, 62443-9998

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


  1. Mason
    755 Adams St Mason IL 62443-9998

    Hours(Opening & Closing Times):
    Mon - Fri 8:00am - 11:00am 1:00pm - 4:15pm Sat 8:00am - 9:30am Sun Closed

    Phone Number: (618) 238-4830

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

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 Mason 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.