Rock County, WI
Home MenuEmployer Information
Information regarding income withholding, health insurance, new hire reporting, employer responsibilities and more, can be found at the following link:
Employers & Payroll Service Providers (wisconsin.gov)
Questions regarding Withholding Lists/Coupons:
- 1-877-209-5211
- 1-877-209-5209 (TTY)
Questions regarding Electronic Funds Transfer:
- 1-414-615-2423
Questions about R&D Fee Withholding:
- 1-414-615-2585