Diamond Bar Post Office 91765

This page provides details for the Diamond Bar post office located at 1317 S Diamond Bar Blvd Diamond Bar California 91765. Below you will find the post office phone number, hours of operations, what services they provide and other useful information to help you determine if this is the post office location you are looking for. The people working at this location should be able to assist you with things like changing your mailing address, assist in helping you file a claim for missing mail and sell office supplies like stamps, money orders and if available, PO boxes. If you plan to visit this Diamond Bar post office in California, then we recommend you contact them first to verify their address and the services they provide, as this may have changed.

Diamond Bar Post Office On-Site Services

  • Burial Flags
  • Business Line
  • Duck Stamps
  • General Delivery
  • Global Express Guaranteed®
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • PO Box Online
  • Packaged Stamps
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • Priority Mail International®
  • Sure Money
  • Post Office Location

  • 1317 S Diamond Bar Blvd
    Diamond Bar, CA 91765

    Lot Parking Available
  • Post Office Phone Numbers

  • You can call the Diamond Bar post office location at 909-860-2469 (TTY: 877-889-2457). You can fax them at 909-860-8253.

  • Update Post Office

  • If the details for this Diamond Bar post office is incorrect, please click here to submit the updated information.