Information on GNC in Dumfries, VA 22026 Outlet Note Regular Brands GNC Virginia Dumfries 326512 Rating 4.7 based on 97 votes Address 18039 Dumfries Shopping Center Dumfries, VA 22026 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 - Burke GNC Outlet - Alexandria GNC Outlet - Alexandria GNC Outlet - Alexandria People Also Viewed