Contacting the Public Assistance Collection Section (PACS) Have a question? Reach out to our PACS team using one of the following communication options. Mailing Address PO Box 8938 Madison, WI 53708-8938 Phone Numbers Toll Free: +1 (800) 943-9499 Fax: (608) 422-7152 Email: dwspacu@wisconsin.gov You can also e-mail the PACS team by using the below form.