Post Offices in & near Monitor, Washington. Operating hours, locations, phone/fax number, services information.
Post Office in Monitor, Washington on Main St. Operating hours, phone number, services information, and other locations.
Address: 3160 Main St, Monitor, WA 98836
Phone: 509-782-4022
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457