Information on GNC in Southbridge, MA 01550 Outlet Note Regular Brands GNC Massachusetts Southbridge 329956 Rating 4.7 based on 97 votes Address 455 Main Street Southbridge, MA 01550 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 - Auburn GNC Outlet - East Longmeadow GNC Outlet - Chicopee GNC Outlet - Clinton People Also Viewed