Number for Live PersonIf you need to speak to a live customer service representative in the Illinois Department of Revenue customer service you need to dial 1-800-732-8866. To speak with a live agent, you need to say “agent” or stay on the line (typical waiting time is about 5-15 minutes).
Alternatively you can use the following other options available in the customer service phone menu:
- For individual income tax say or press 1.
- For withholding income tax say or press 2.
- For business income tax say or press 3.
- For sale or vehicle use tax say or press 4.
- For information regarding other taxes say or press 5.
- To request forms say or press 6.
Illinois Department of Revenue Customer Service Hours
Live customer service representatives from Illinois Department of Revenue are available from 8am to 5pm Monday-Friday, Saturday-Sunday closed.
Illinois Department of Revenue Customer Service Phones
- Illinois Department of Revenue customer service phone number is 1-800-732-8866. Live customer service representatives from Illinois Department of Revenue are available from 8am to 5pm Monday-Friday, Saturday-Sunday closed.
- For TDD (telecommunication device for the deaf) you need to dial 1-800-544-5304.
Illinois Department of Revenue Social Networks Customer Service
- Illinois Department of Revenue customer service could be contacted via Illinois Department of Revenue Facebook page. Typically Illinois Department of Revenue customer service representative replies within an hour.
- You can also reach Illinois Department of Revenue support via Illinois Department of Revenue Twitter page
- You can view latest Illinois Department of Revenue videos on Illinois Department of Revenue Youtube page
Illinois Department of Revenue Mailing Addresses
You can find all Illinois Department of Revenue mailing addresses on the Illinois Department of Revenue Mailing Addresses page.
Illinois Department of Revenue Live Chat Support
Illinois Department of Revenue doesn’t offer live chat support. The best way to contact the Illinois Department of Revenue is to call them at 1-800-732-8866.
Illinois Department of Revenue support e-mail
- For Individual Income Tax send an e-mail to [email protected]
- For Business Income Tax or Withholding Income Tax send an e-mail to [email protected]
- For Sales Tax send an e-mail to [email protected]
- For Powers of Attorney (Submissions) send an e-mail to [email protected]
- For Collections (email the address on your latest correspondence, if available) send an e-mail to [email protected]
- For Registration send an e-mail to [email protected]
- For Bingo, Pull Tabs, and Charitable Gaming send an e-mail to [email protected]
- For Bonding send an e-mail to [email protected]
- For Enterprise Zones send an e-mail to [email protected]
- For MyTax Illinois help send an e-mail to [email protected]
Illinois Department of Revenue Help Center
You can get more information about Illinois Department of Revenue on the Illinois Department of Revenue Answer page.
Illinois Department of Revenue Opening Hours
Monday 8am to 5pm
Tuesday 8am to 5pm
Wednesday 8am to 5pm
Thursday 8am to 5pm
Friday 8am to 5pm
Saturday closed
Sunday closed