Information on GNC in North Hampton, NH 03862 Outlet Note Regular Brands GNC New Hampshire North Hampton 328790 Rating 4.7 based on 97 votes Address 72 Lafayette Road, 72 Lafayette Road North Hampton, NH 03862 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 - Exeter GNC Outlet - Durham GNC Outlet - Kingston GNC Outlet - Epping People Also Viewed