Us Spring Canyon Ranger Station Coulee Dam, WA 99116 Phone : (509) 633-9188 Business Category Government Offices-Federal Campgrounds Recreational Vehicle Parks & Campsites Legislative Bodies United States Government--interior Dept Of, National Park Service, Spring Canyon Ranger Station Coulee Dam, WA 99116 Phone : (509) 633-9188 Business Category Government Offices-Federal Parks & Playgrounds Land Mineral Wildlife & Forest Conservation Government Offices & Public Schools