Town Hall Address 879 NH Route 10 Croydon, NH 03773 United States- Sullivan County Town Clerk (603) 863-7830 Mon & Tue noon - 6 P.M.; Wed & Thu 9 A.M. - 7 P.M. 879 NH Route 10 Croydon, NH 03773 United States Tax Collector (603) 863-7830 Mon & Tue noon - 6 P.M.; Wed & Thu 9 A.M. - 7 P.M. 879 NH Route 10 Croydon, NH 03773 United States Assessor http://data.avitarassociates.com/ United States Building (603) 863-7830 selectboardcroyden@hotmail.com 879 NH Route 10 Croydon, 03773 United States Zoning (603) 826-3121 879 NH Route 10 Croydon, NH 03773 United States Fire District (603) 863-6916 879 NH Route 10 Croydon, NH 03773 United States Town Hall Hours Mon & Tue noon - 6 P.M.; Wed & Thu 9 A.M. - 7 P.M. County Sullivan