Wisconsin DOR Contact Information
Contact the Wisconsin DOR for sales tax registration, filing questions, and compliance assistance.
Main Contact Information
| Phone | (608) 266-2776 |
| Website | revenue.wi.gov |
| Online Portal | tap.revenue.wi.gov |
| Hours | Monday-Friday, 8:00 AM – 5:00 PM local time |
Main Office Address
Wisconsin DOR
2135 Rimrock Road, Madison, WI 53713
Online Resources
The Wisconsin DOR online portal at tap.revenue.wi.gov allows you to:
- Register for a sales tax account
- File sales and use tax returns
- Make tax payments
- View account history
- Update business information
Response Time Expectations
| Phone inquiries | Immediate (hold times vary) |
| Online registration | Immediate to 10 business days |
| Written correspondence | 2-4 weeks |
Related Wisconsin Guides
Sales Tax Permit
Step-by-step registration guide.
Rates and Fees
Current Wisconsin tax rates.
Interested in professional support? Learn about our filing assistance service for help with your Wisconsin sales tax application.
Disclaimer: This guide is for informational purposes only. For official information, visit revenue.wi.gov.