Grand Coulee Dam Area Chamber of Commerce
17 Midway Ave.
PO Box 760
Grand Coulee, WA 99133

Phone: (509) 633-3074

Email: chamber@grandcouleedam.org
Normal hours of operation: Monday - Friday 8:00 am to 4:00 pm ( pacific time )
Summer hours of operation: Tuesday - Saturday 8:00 am to 4:00 pm ( pacific time )

Copyright 2017 Grand Coulee Dam Area Chamber of Commerce, All rights Reserved