Hours Of Operations GNC Wisconsin West Allis GNC Hours of Operation and Locations in West Allis, WI 4.9 - 150 votes 2 Locations in West Allis GNC Hours Category: Beauty & Health GNC - West Allis, WI 53227 10244 w. National Ave(414) 546-3459 View Store Details GNC - West Allis, WI 53214 6842 w Greenfield Ave(414) 607-1140 View Store Details Explore West AllisView More Apparel Sam's ClubMarshallsBurlington Coat FactoryKmartBig Lots Sports TargetVansColemanSnap FitnessJazzercise Jewelry Sam's ClubMarshallsBurlington Coat FactoryKohl's Outlet 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