Information on GNC in Berwick, PA 18603 Outlet Note Regular Brands GNC Pennsylvania Berwick 325506 Rating 4.7 based on 97 votes Address 400 West Second Street Berwick, PA 18603 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 - Ashland GNC Outlet - Allentown GNC Outlet - Allentown GNC Outlet - Allentown People Also Viewed