Information on GNC in La Grande, OR 97850 Outlet Note Regular Brands GNC Oregon La Grande 327713 Rating 4.7 based on 97 votes Address 2212 Island Avenue Suite 201 La Grande, OR 97850 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 - Baker City GNC Outlet - Hermiston GNC Outlet - Bend GNC Outlet - Bend People Also Viewed