Post Offices in & near Seal Beach, California. Operating hours, locations, phone/fax number, services information.
Mariner Post Office in Seal Beach, California on Main St. Operating hours, phone number, services information, and other locations.
Address: 221 Main St, Seal Beach, CA 90740
Phone: 562-598-6915
Fax: 562-598-8785
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
