Town Hall Address 31 School St Andover, NH 03216 United States- Merrimack County Website https://www.andover-nh.gov/ Town Clerk (603) 735-5332 https://www.andover-nh.gov/town-clerk-tax-collector tctc@andover-nh.gov Mon, Wed & Thu 9 A.M. - 2 P.M.; Tue 1:30 P.M. - 6:30 P.M.; last Sat 9 A.M. - 11 A.M. P.O. Box 61 Andover, NH 03216 United States Tax Collector (603) 735-5332 tctc@andover-nh.gov Mon, Wed & Thu 9 A.M. - 2 P.M.; Tue 1:30 P.M. - 6:30 P.M.; last Sat 9 A.M. - 11 A.M. P.O. Box 61 Andover, NH 03216 United States Assessor http://data.avitarassociates.com/logon.aspx United States Building (603) 735-5733 United States Zoning (603) 735-5332 P.O. Box 61 Andover, NH 03216 United States Fire District (603) 934-2197 407 Flaghole Rd Andover, NH 03216 United States Town Hall Hours Mon - Fri 9:00 A.M. - 2 P.M. County Merrimack