Information on GNC in Hanover, PA 17331 Outlet Note Regular Brands GNC Pennsylvania Hanover 327221 Rating 4.7 based on 97 votes Address 43-47 Baltimore Street Hanover, PA 17331 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 - Avondale GNC Outlet - Ashland GNC Outlet - Audubon GNC Outlet - Bellefonte People Also Viewed