Post Offices in & near Saint John, Washington. Operating hours, locations, phone/fax number, services information.
Post Office in Saint John, Washington on N Park St. Operating hours, phone number, services information, and other locations.
Address: 5 N Park St, Saint John, WA 99171
Phone: 509-648-3280
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
