Tax Forms | ILLINOIS DEPARTMENT OF REVENUE - Taxpayer Assistance

Online Resource, Chicago, IL 60601

Eligibility

Open to all

Hours

Service Hours Monday: 8:30 AM - 5:00 PM Tuesday: 8:30 AM - 5:00 PM Wednesday: 8:30 AM - 5:00 PM Thursday: 8:30 AM - 5:00 PM Friday: 8:30 AM - 5:00 PM

Voice·

Primary Contact Number

Languages

Interpreter services available

Application process

Call or visit website Documents Required: None

Fees

No fee

Service area

Lake County, IL

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

Date of Last Formal Update

06/18/2025

Data provided by

Lake County 211

What's Here

Providing organization

INTERNAL REVENUE SERVICES

Government organization overseeing federal taxes.