store:
 location:

US Post Office, 457 Route 25a, Mount Sinai, New York, 11766-2069

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


  1. Mount Sinai
    457 Route 25a Mount Sinai NY 11766-2069

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

    Phone Number: (631) 928-0394

    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 Mount Sinai 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.