Tax Questions? Extended Phone Hours Available

Illinois Department of Revenue sent this bulletin at 04/13/2026 12:35 PM CDT

IDOR News & Updates - April 13, 2026

Tax Season Extended Phone Hours

The 2025 income tax filing deadline is Wednesday, April 15, 2026.

If you have any last-minute questions about your IL-1040, Illinois Individual Income Tax Return, or other tax-related topics, give us a call.

For the most up-to-date information, forms, schedules, and instructions for the 2025 tax year, please visit IDOR’s website at: tax.illinois.gov.

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Extended Telephone Hours

Tuesday, April 14 from 8:00 AM to 7:00 PM
Wednesday, April 15 from 7:30 AM to 7:00 PM

Email us

To receive assistance via email, please visit our Taxpayer Assistance webpage.

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This service is provided to you at no charge by Illinois Department of Revenue.