Information on GNC in Ellensburg, WA 98926 Outlet Note Regular Brands GNC Washington Ellensburg 326638 Rating 4.7 based on 97 votes Address 700 South Main Street Ellensburg, WA 98926 Phone Hours may vary in different stores. For accurate hours, please contact each store directly. Suite643 Hours may vary in different stores. For accurate hours, please contact each store directly. Nearby GNC Outlet GNC Outlet - E Wenatchee GNC Outlet - Bonney Lake GNC Outlet - Covington GNC Outlet - Auburn People Also Viewed