Post Offices in & near Mossyrock, Washington. Operating hours, locations, phone/fax number, services information.
Post Office in Mossyrock, Washington on E Main St. Operating hours, phone number, services information, and other locations.
Address: 243 E Main St, Mossyrock, WA 98564
Phone: 360-983-3494
Fax: 360-983-8288
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
