San Quentin Post Office 94964

This page provides details for the San Quentin post office located at 1 Main St San Quentin California 94964. 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 San Quentin 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.

San Quentin Post Office On-Site Services

  • Burial Flags
  • Business Line
  • Business Reply Mail Account Balance
  • Business Reply Mail New Permit
  • 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

  • 1 Main St
    San Quentin, CA 94964

    Street Parking Available
  • Post Office Phone Numbers

  • You can call the San Quentin post office location at 415-456-4741 (TTY: 877-889-2457). You can fax them at 415-455-5398.

  • Update Post Office

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