Information on GNC in Watertown, NY 13601 Outlet Note Regular Brands GNC New York Watertown 330497 Rating 4.7 based on 97 votes Address 842 State Street Watertown, NY 13601 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 - Baldwinsville GNC Outlet - Auburn GNC Outlet - Auburn GNC Outlet - Auburn People Also Viewed