Thorp Mill Town Historic Preservation Society Share: ToursMuseums Thorp Mill Town Historic Preservation Society Visit Website Request Info 11640 N Thorp Hwy Thorp, WA 98946 (509) 964-9640 Rep Info Map Whom to Contact Thorp Mill PO Box 7 11640 N Thorp Hwy Thorp, WA 98946 Phone: (509) 964-9640 Send an Email What's Nearby? Distance: 5 10 15 20 25 50 mi.