Information on GNC in Durham, NH 03824 Outlet Note Regular Brands GNC New Hampshire Durham 326527 Rating 4.7 based on 97 votes Address 5 Mill rd. Unit G Durham, NH 03824 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 - Lee GNC Outlet - Dover GNC Outlet - Epping GNC Outlet - Exeter People Also Viewed