Information on GNC in Zanesville, OH 43701 Outlet Note Regular Brands GNC Ohio Zanesville 330815 Rating 4.7 based on 97 votes Address 825 Main Street Zanesville, OH 43701 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 - Barnesville GNC Outlet - Ashland GNC Outlet - Akron GNC Outlet - Barberton People Also Viewed