Hours Of Operations GNC Oregon Klamath Falls GNC Hours of Operation and Locations in Klamath Falls, OR 4.9 - 150 votes 2 Locations in Klamath Falls GNC Hours Category: Beauty & Health GNC - Klamath Falls, OR 97603 5522 South 6th Street(541) 850-4462 View Store Details GNC - Klamath Falls, OR 97601 2521 South Sixth Street View Store Details Explore Klamath FallsView More Apparel Ross Dress for LessBig LotsCarharttBig 5 Sporting GoodsCarter's Sports Big 5 Sporting GoodsVansColemanSports WorldJazzercise 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