Hours Of Operations GNC Washington Kennewick GNC Hours of Operation and Locations in Kennewick, WA 4.9 - 150 votes 2 Locations in Kennewick GNC Hours Category: Beauty & Health GNC - Kennewick, WA 99336 1321 n. Columbia Center b, Suite 378(509) 783-1020 View Store Details GNC - Kennewick, WA 99336 2819 w. Kennewick(509) 783-4540 View Store Details Explore KennewickView More Apparel CostcoTJ MaxxRoss Dress for LessBurlington Coat FactoryColdwater Creek Sports CostcoSports AuthorityBig 5 Sporting GoodsSportsman's WarehouseVans Jewelry CostcoHobby LobbyBurlington Coat FactoryZalesKay Jewelers Recommend For You Cotton on Bally Total Fitness Eastern Mountain Sports Trader Joe's The Athlete's Foot Diane's Beachwear Bottega Veneta Hanna Andersson Louis Vuitton Sportsman's Warehouse