Wisconsin Department of Revenue - E-Services revenue.wi.gov WISCONSIN DEPARTMENT OF REVENUE Individual Income Tax Assistance P.O. Box 8906 Madison, WI 53708-8906 Phone: (608) 266-2772 Fax:

Wisconsin Department of Revenue - Forms for Tax Compliance revenue.wi.gov WISCONSIN DEPARTMENT OF REVENUE Individual Income Tax Assistance P.O. Box 8906 Madison, WI 53708-8906 Phone: (608) 2