Post Offices
Post Offices in & near Port Costa, California. Operating hours, locations, phone/fax number, services information.
Port Costa Post Office
Post Office in Port Costa, California on Canyon Lake Dr. Operating hours, phone number, services information, and other locations.
Address: 3 Canyon Lake Dr, Port Costa, CA 94569
Phone: 510-787-2980
Fax: 510-874-8544
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 10:00am - 2:00pmTuesday 10:00am - 2:00pm
Wednesday 10:00am - 2:00pm
Thursday 10:00am - 2:00pm
Friday 10:00am - 2:00pm
Saturday 8:00am - 12:00pm
Sunday Closed
Lobby Hours
Monday 10:00am - 2:00pmTuesday 10:00am - 2:00pm
Wednesday 10:00am - 2:00pm
Thursday 10:00am - 2:00pm
Friday 10:00am - 2:00pm
Saturday 8:00am - 12:00pm
Sunday Closed
Last Collection Times
Monday 2:00pmTuesday 2:00pm
Wednesday 2:00pm
Thursday 2:00pm
Friday 2:00pm
Saturday 12:00pm
Sunday Closed