ILLINOIS DEPARTMENT OF REVENUE - Taxpayer Assistance Services

Address

555 West Monroe Street
Chicago, IL 60661

(800) 732-8866

https://tax.illinois.gov

Service Hours
Monday: 8:00 AM - 5:00 PM
Tuesday: 8:00 AM - 5:00 PM
Wednesday: 8:00 AM - 5:00 PM
Thursday: 8:00 AM - 5:00 PM
Friday: 8:00 AM - 5:00 PM

Description:

Online resource that helps taxpayers understand and meet tax responsibilities. Also offers hotline for tax questions.

Eligibility:

Open to all

Languages:

Interpreter services available

Program Fees:

No fee

Intake Process:

Call for assistance

Documents Required: None

Contacts

Program Contact Information

Primary Contact

Program Contact Information

(800) 732-8866

rev.ta-iit@illinois.gov

Phone Numbers

Primary Program Phone

(800) 732-8866

Alternate Program Phone

(217) 782-3336

Address Listings

Physical (Primary)

555 West Monroe Street
Chicago, IL 60661

Mailing

555 West Monroe Street
Chicago, IL 60661

Handicap Accessible?

No

Wishlist:

None

Volunteer Opportunities:

None

Date of Official Change:

April 17, 2026

Related Resource

Geography Served

    If a location is grayed out it means that only certain areas within it are covered. The areas with complete covereage are listed in black.

  • Illinois
    • Lake County
    Edit Service DetailsClick here to see this service (DT-8700.2000) and related services within the Service Tree.

    Geography Served

      If a location is grayed out it means that only certain areas within it are covered. The areas with complete covereage are listed in black.

    • Illinois
      • Lake County
      Edit Service DetailsClick here to see this service (DT-8700.8000) and related services within the Service Tree.

      Geography Served

        If a location is grayed out it means that only certain areas within it are covered. The areas with complete covereage are listed in black.

      • Illinois
        • Lake County
        Edit Service DetailsClick here to see this service (DT-8600) and related services within the Service Tree.

        Geography Served

          If a location is grayed out it means that only certain areas within it are covered. The areas with complete covereage are listed in black.

        • Illinois
          • Lake County
          Edit Service DetailsClick here to see this service (DT-8700.8650) and related services within the Service Tree.

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