Information on GNC in Souderton, PA 18964 Outlet Note Regular Brands GNC Pennsylvania Souderton 329931 Rating 4.7 based on 97 votes Address 780 Highway 113 Souderton, PA 18964 Phone Hours may vary in different stores. For accurate hours, please contact each store directly. Suite643 Hours may vary in different stores. For accurate hours, please contact each store directly. Nearby GNC Outlet GNC Outlet - Audubon GNC Outlet - Abington GNC Outlet - Allentown GNC Outlet - Ardmore People Also Viewed