National Grid Share: Utilities National Grid Visit Website Request Info 548 Haydenville Road Leeds, MA 01062 (800) 322-3223 (800) 322-3223 (508) 357-4730 (fax) Facebook About Us Provides residential and commercial electrical and energy efficiency services to Greater Northampton area. About Highlights About Provides residential and commercial electrical and energy efficiency services to Greater Northampton area. Highlights ElectricityNatural gasEnergy deliveryTransmissionProducts and services for home and business