Post Offices in & near Martinez, California. Operating hours, locations, phone/fax number, services information.
Court Post Office in Martinez, California on Court St. Operating hours, phone number, services information, and other locations.
Address: 815 Court St, Martinez, CA 94553
Phone: 925-229-4795
Fax: 925-874-8544
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
