Information on GNC in Ipswich, MA 01938 Outlet Note Regular Brands GNC Massachusetts Ipswich 327504 Rating 4.7 based on 97 votes Address 114 Central Street. Ipswich, MA 01938 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 - Beverly GNC Outlet - Beverly GNC Outlet - Danvers GNC Outlet - Billerica People Also Viewed