Town Hall Address 41 South Main St Hanover, NH 03755 United States- Grafton County Website https://www.hanovernh.org/ Town Clerk (603) 640-3203 https://www.hanovernh.org/town-clerk Mon - Fri 8:30 A.M. - 4:30 P.M. P.O. Box 483 Hanover, NH 03755 United States Tax Collector (603) 640-3201 Monday through Friday: 8:30 A.M. - 4:30 p.m P.O. Box 483 Hanover, NH 03755 United States Assessor (603) 640-3206 http://gis.vgsi.com/hanovernh/ assessor@hanovernh.org Monday - Friday, 8:30 A.M. to 4:30 P.M. P.O. Box 483 Hanover, NH 03755 United States Building (603) 643-0708 P.O. Box 483 Hanover, 03755 United States Zoning (603) 640-3215 P.O. Box 483 Hanover, NH 03755 United States Fire District (603) 640-3340 P.O. Box 483 Hanover, NH 03755 United States Water (603) 640-3238 P.O. Box 483 Hanover, NH 03755 United States Town Hall Hours Mon - Fri 8:30 A.M. - 4:30 P.M. County Grafton