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Tax Forms | ILLINOIS DEPARTMENT OF REVENUE - Taxpayer Assistance

Online Resource, Chicago, IL 60601

Open to all
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
800-732-8866

Voice - Primary Contact Number

https://www.irs.gov

Interpreter services available

Call or visit website Documents Required: None

No fee

Lake County, IL

Description

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

Tax Forms

Providing organization

INTERNAL REVENUE SERVICES

Government organization overseeing federal taxes.

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