Dunbarton Town Clerk 1011 School St Dunbarton, NH 03046 Phone : (603) 774-3547 Business Category Public Finance Taxation & Monetary Policy Government Offices & Public Schools Dunbarton Town Of--town Clerk/tax Collector Dunbarton, NH 03046 Phone : (603) 774-3547 Business Category Government Offices-City Village & Twp Government Offices State & Local Government Offices & Public Schools