Post Offices
Post Offices in & near Knightsen, California. Operating hours, locations, phone/fax number, services information.
Knightsen Post Office
Post Office in Knightsen, California on Knightsen Ave. Operating hours, phone number, services information, and other locations.
Address: 3019 Knightsen Ave, Knightsen, CA 94548
Phone: 925-625-2724
Fax: 925-625-2016
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 9:00am - 5:00pmTuesday 9:00am - 5:00pm
Wednesday 9:00am - 5:00pm
Thursday 9:00am - 5:00pm
Friday 9:00am - 5:00pm
Saturday 9:00am - 12:00pm
Sunday Closed
Lobby Hours
Monday 24 hoursTuesday 24 hours
Wednesday 24 hours
Thursday 24 hours
Friday 24 hours
Saturday 24 hours
Sunday 24 hours
Last Collection Times
Monday 5:00pmTuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 12:00pm
Sunday Closed
Brentwood Post Office
Address: 18 Oak St, Brentwood, CA 94513
Phone: 925-240-2065
Fax: 925-513-6680
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Oakley Post Office
Address: 400 Del Antico Ave, Oakley, CA 94561
Phone: 925-625-5687
Fax: 925-625-7523
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Bethel Island Post Office
Address: 6444 Bethel Island Rd, Bethel Island, CA 94511
Phone: 925-684-2561
Fax: 651-456-6355
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Byron Ca Discovery Bay Post Office
Address: 3345 Bixler Rd, Discovery Bay, CA 94505
Phone: 925-634-1164
Fax: 925-634-1468
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Byron Post Office
Address: 3852 Main St, Byron, CA 94514
Phone: 925-634-2600
Fax: 925-634-2831
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457