Information on GNC in California, PA 15419 Outlet Note Regular Brands GNC Pennsylvania California 325817 Rating 4.7 based on 97 votes Address 404 Third Street California, PA 15419 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 - Belle Vernon GNC Outlet - Bentleyville GNC Outlet - Bethel Park GNC Outlet - Bethel Park People Also Viewed