Post Offices in & near Newark, California. Operating hours, locations, phone/fax number, services information.
Post Office in Newark, California on Clark Ave. Operating hours, phone number, services information, and other locations.
Address: 6655 Clark Ave, Newark, CA 94560
Phone: 510-797-0903
Fax: 510-797-9315
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
