Hours Of Operations GNC South Dakota Sioux Falls GNC Hours of Operation and Locations in Sioux Falls, SD 4.9 - 150 votes 2 Locations in Sioux Falls GNC Hours Category: Beauty & Health GNC - Sioux Falls, SD 57110 1029 s. Highline Place(605) 338-3696 View Store Details GNC - Sioux Falls, SD 57106 1370 Empire Mall(605) 361-2446 View Store Details Explore Sioux FallsView More Apparel Sam's ClubTJ MaxxKmartBig LotsCato Sports TargetDick's Sporting GoodsVansSnap FitnessBasic Basic Jewelry Sam's ClubHobby LobbyCatoZalesKohl'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