Wisconsin Department of Workforce Development
P.O. Box 7946
Madison, WI 53707-7946
Phone: (608) 266-3131
Fax: (608) 266-1784
Comments: The Department's primary responsibilities include providing job services, training and employment assistance to people looking for work, at the same time as it works with employers on finding the necessary workers to fill current job openings.
Department of Children and Families
201 East Washington Avenue, Second Floor
P.O. Box 8916
Madison, WI 53708-8916
Telephone: (608) 267-3905
Fax: (608) 266-6836
Comments: If you have questions regarding child support please contact your local Child Support Agency.
Wisconsin Department of Revenue
P.O. Box 8906
Madison, WI 53708-8906
Phone: (608) 266-2772
Fax: (608) 267-0834
United States Citizenship & Immigration Source (USCIS)
Comments: The USCIS Processing Times website provides free educational content to employers on U.S. visa processing times and U.S. immigration processes, such as work permits and how to employ foreign workers.
Wisconsin Division of Unemployment Insurance
Internal Revenue Service
Phone: (800) 829-1040
Comments: Contact the IRS for FEIN related questions, or to request W-4 or other federal tax forms.
United States Department of Labor
Comments: Provides information pertaining to federal minimum wage, employee pay, and other labor related issues.
Immigration and Naturalization Service (INS)
Phone: (800) 870-3676 (forms)
Comments: Please use the above Web address to request the I-9 or other INS forms.
Social Security Administration
Phone: (800) 772-1213
Comments: Employers can verify whether an employee's social security number is valid by calling the above number, or by visiting this Web site: http://www.socialsecurity.gov/employer/ssnv.htm