Hours Of Operations GNC California Upland GNC Hours of Operation and Locations in Upland, CA 4.9 - 150 votes 2 Locations in Upland GNC Hours Category: Beauty & Health GNC - Upland, CA 91786 353-a s Mountain Ave(909) 920-4545 View Store Details GNC - Upland, CA 91784 1902 Campus Ave(909) 982-0505 View Store Details Explore UplandView More Apparel MarshallsTJ MaxxBig LotsH & MCarhartt Sports TargetBig 5 Sporting GoodsLA FitnessGolfsmithDick's Sporting Goods Jewelry MarshallsHobby LobbyKohl's OutletAvon 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