store:
 location:

US Post Office, 18 W Main St, Mascoutah, Illinois, 62258-9998

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


  1. Mascoutah
    18 W Main St Mascoutah IL 62258-9998

    Hours(Opening & Closing Times):
    Mon - Fri 8:30am - 5:00pm Sat 8:30am - 11:00am Sun Closed

    Phone Number: (618) 566-2618

    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 Mascoutah 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.