Town Hall Address 134 Newton-Sparta Rd. Newton, NJ 07860 United States- Sussex County Website http://www.andovertwp.org County Clerk 973-383-4280 Ext. 223 134 Newton-Sparta Rd. Newton, NJ 07860 United States County Admin 973-383-4280 Ext. 223 134 Newton-Sparta Rd. Newton, NJ 07860 United States Assessor 973-383-4280 Ext. 239 134 Newton-Sparta Rd. Newton, NJ 07860 United States Tax Collector 973-383-4280 Ext. 228 134 Newton-Sparta Rd. Newton, NJ 07860 United States Attorney 973-324-1900 134 Newton-Sparta Rd. Newton, NJ 07860 United States Mayor 973-383-4280 134 Newton-Sparta Rd. Newton, NJ 07860 United States Municipal Court 973-383-4280 Ext. 4 134 Newton-Sparta Rd. Newton, NJ 07860 United States Town Hall Hours Monday - Friday: 9:00 A.M. - 4:00 P.M. County Sussex