store:
 location:

US Post Office, 321 Main St, Ontario, Wisconsin, 54651-5001

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


  1. Ontario
    321 Main St Ontario WI 54651-5001

    Hours(Opening & Closing Times):
    Mon - Fri 8:00am - 11:30am 12:30pm - 4:00pm Sat 8:30am - 9:15am Sun Closed

    Phone Number: (608) 337-4722

    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 Ontario 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.