Skip to main content

Contact Us

Taxpayer Assistance

To receive assistance by phone, please call 1 800 732-8866 or 217 782-3336 (1 800 544-5304 TTY). Representatives are available Monday through Friday, 8 am - 5 pm. Over-the-phone translation services are available.

To receive assistance by email, use the information below.

Business Income Tax or Withholding Income Tax
​Individual Income Tax
MyTax Illinois Help
MyDec (Online Real Property Transfer Tax) Help
​Order Forms
Power of Attorney (submissions only)
​Sales Tax
Sales Tax Exemptions

Visit a Local Office

When you come to one of the Department's facilities, bring all available information with you. No appointments are necessary; however, if you have a complex issue, please contact the department ahead of time so they can be prepared to give you the help you may need. Translation services are available.

Language Services

The Illinois Department of Revenue (IDOR) provides free language services to individuals with limited English proficiency (LEP). IDOR also provides free aids and services to people with disabilities to communicate effectively with the department, such as qualified sign language interpreters.

Language Services webpage

Website Feedback

If you are having difficulty with this website or have a suggestion for how to make the site better, you can  Email the Webmaster.

Other IDOR Information