store:
 location:

US Post Office, 309 Main St Unit 3, Islip, New York, 11751-3453

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


  1. Islip
    309 Main St Unit 3 Islip NY 11751-3453

    Hours(Opening & Closing Times):
    Mon - Fri 9:00am - 5:00pm Sat 9:00am - 1:00pm Sun Closed

    Phone Number: (631) 581-7931

    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 Islip 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.