Customer Service Telephone Numbers
Customer Service
- Individuals: (608) 266-2486
- FAX: (608) 267-1030
- Businesses: (608) 266-2776
Check On Your Refund
- Madison: (608) 266-8100
- Milwaukee: (414) 227-4907
- Toll Free: (866) 947-7363 (866-WIS-RFND)
- Available 24/7 - updated daily
Free Volunteer Income Tax Assistance (VITA) Sites
- Call 211 from anywhere in the state to locate a VITA site near you during income tax season
Internal Revenue Service (federal government)
- www.irs.gov
- Call 1-800-829-1040