US Post Office, 1317 S Diamond Bar Blvd, Diamond Bar, California, 91765-9998

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

  1. Diamond Bar
    1317 S Diamond Bar Blvd Diamond Bar CA 91765-9998

    Hours(Opening & Closing Times):
    Mon - Fri 9:00am - 5:00pm Sat 9:00am - 2:00pm Sun Closed

    Phone Number: (909) 860-2469

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

    Correct this information

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 Diamond Bar 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.

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