PORT COSTA, CA Post Office

3 CANYON LAKE DR PORT COSTA, CA 94569 - 9800

Phone 510-787-2980

Fax 510-874-8544

TTY 877-889-2457

PORT COSTA, CA Post Office Hours

  • Mon-Fri 10:00am - 2:00pm
  • Sat 8:00am - 12:00pm
  • Sun Closed


PORT COSTA Lobby Hours

  • Mon-Fri 10:00am - 2:00pm
  • Sat 8:00am - 12:00pm
  • Sun Closed

Last Collection Hours

  • Mon-Fri 2:00pm
  • Sat 12:00pm
  • Sun Closed

PO Box Access Hours

  • Mon-Fri 10:00am - 2:00pm
  • Sat 8:00am - 12:00pm
  • Sun Closed

PORT COSTA Pickup Services Hours

  • Mon-Fri 10:00am - 2:00pm
  • Sat 8:00am - 12:00pm
  • Sun Closed

PORT COSTA Post Office On-Site Services

  • Burial Flags
  • Business Line
  • General Delivery
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • PO Box Online
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • Priority Mail International┬«
  • Sure Money


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