Post Offices in & near Deer Park, Washington. Operating hours, locations, phone/fax number, services information.
Post Office in Deer Park, Washington on S Vernon Ave. Operating hours, phone number, services information, and other locations.
Address: 19 S Vernon Ave, Deer Park, WA 99006
Phone: 509-276-1091
Fax: 650-577-5059
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
