Post Offices in & near Los Osos, California. Operating hours, locations, phone/fax number, services information.
Post Office in Los Osos, California on Los Osos Valley Rd. Operating hours, phone number, services information, and other locations.
Address: 1189 Los Osos Valley Rd, Los Osos, CA 93402
Phone: 805-528-6927
Fax: 805-545-0812
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
