Northern New England Benefit Trust
Contact Information Local (NH): (603) 669-4771 Toll Free: (800) 258-9732 Fax Number: (603) 666-4477 Website: www.nnebt.org NNEBT staff members are typically available to receive your phone call between 8:00 AM EST until 5:00 PM EST Monday through Friday. Mailing Address: P.O. Box 4604 Manchester, NH 03108 Physical Address: 51 Goffstown Rd Manchester, NH 03102 Click here for directions