| Alcohol Beverage | | Mail Stop 6-107 P.O. Box 8900 Madison, WI 53708-8900 | |
| Appeals (Income, Sales, Excise) | | P.O. Box 8907 Madison, WI 53708-8907 | |
| Audit of Returns (Corporation, Individual, Homestead) | | P.O. Box 8906 Madison, WI 53708-8906 | |
| Business Registration Online | | P.O. Box 8949 Madison, WI 53708-8949 | |
| Cigarette, Tobacco Products ~ Registration & Permits | | Mail Stop 6-107 P.O. Box 8900 Madison, WI 53708-8900 | |
| Copies of Returns | | Mail Stop 5-77 P.O. Box 8949 Madison, WI 53708-8949 | |
| Corporation Franchise and Income | Audit & Technical: (608) 266-1143
Notices/Payments: (608) 266-0800 | P.O. Box 8908 Madison, WI 53708-8908 | |
| Delinquent Taxes | | P.O. Box 8901 Madison, WI 53708-8901 | |
| Electronic Filing | | P.O. Box 8949 Madison, WI 53708-8949 | |
| Estimated Taxes | | P.O. Box 930208 Milwaukee, WI 53293-0208 | |
| Farmland Credits (Individual, Corporation) | Individual: (608) 266-2442
Corporation: (608) 266-1143 | P.O. Box 8927 Madison, WI 53708-8927 | |
| Fiduciary, Estate | | P.O. Box 8906 Madison, WI 53708-8906 | |
| Forms Request | | P.O. Box 8949 Madison, WI 53708-8949 | |
| Fuel Tax | General Questions: (608) 266-6701
Refunds: (608) 266-6701 | Mail Stop 6-107 P.O. Box 8900 Madison, WI 53708-8900 | |
| Holder Unclaimed Property | | P.O. Box 8982 Madison, WI 53708-8982 | |
| Manufacturing & Utilities Assessment | | Manufacturing & Utility Assessment Mail Stop 6-97 P.O. Box 8971 Madison, WI 53708-8971 | |
| Pass Through Entities | | P.O. Box 8903 Madison, WI 53708-8903 | |
| Property Assessment | | Education and Certification Mail Stop 6-97 P.O. Box 8971 Madison, WI 53708-8971 | |
| Real Estate Transfer Information | (608) 266-1594 (608) 264-6885 | P.O. Box 8971 Madison, WI 53708-8971 | |
| Refunds | (608) 266-8100
Toll Free: (866) 947-7363
Milwaukee: (414) 227-4907 | P.O. Box 8949 Madison, WI 53708-8949 | |
| Sales, Use, Withholding | | P.O. Box 8902 or 8949 Madison, WI 53708 | |
| Vendors doing business with state agencies | | PO Box 8906 Madison, WI 53708-8906 | |