Information on GNC in Monticello, KY 42633 Outlet Note Regular Brands GNC Kentucky Monticello 328461 Rating 4.7 based on 97 votes Address 978 North Main Street Monticello, KY 42633 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 - Corbin GNC Outlet - Barbourville GNC Outlet - Danville GNC Outlet - Berea People Also Viewed