Post Offices in & near Clarkston, Washington. Operating hours, locations, phone/fax number, services information.
Post Office in Clarkston, Washington on 6th St. Operating hours, phone number, services information, and other locations.
Address: 949 6th St, Clarkston, WA 99403
Phone: 509-758-7031
Fax: 509-758-0572
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
