How to Change Your Address, Name, or Taxpayer Identification Number


FOR QUESTIONS OR COMMENTS CONTACT:

MS 5-77
WISCONSIN DEPARTMENT OF REVENUE
Customer Service Bureau
PO Box 8949
Madison, WI 53708-8949
Phone: (608) 266-2776
Fax: (608) 327-0232
Email additional questions to DORBusinessTax@wisconsin.gov

October 27​​​​​, 2020​​​