Post Offices in & near Holtville, California. Operating hours, locations, phone/fax number, services information.
Post Office in Holtville, California on Fern Ave. Operating hours, phone number, services information, and other locations.
Address: 520 Fern Ave, Holtville, CA 92250
Phone: 760-356-5200
Fax: 760-356-2600
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
