Revenue Department 220 Seippel Blvd Beaver Dam, WI 53916 Phone : (920) 356-6090 Business Category Public Finance Taxation & Monetary Policy Wis State Of--revenue Dept Of, Income Sales & Excise Div Of, Taxpayer Assistance-mondays Only 220 Seippel Blvd Beaver Dam, WI 53916 Phone : (920) 356-6090 Business Category Government Offices-State Government Offices State & Local Government Offices & Public Schools