Tax forms and info

Federal taxes

IRS Taxpayer Assistance Center
2001 Butterfield Rd.
Downers Grove, IL 60515
Monday-Friday - 8:30 a.m.-4:30 p.m.
630 493-5291

Federal tax forms and publications

IRS Telephone Assistance

State taxes

Illinois Department of Revenue - Taxpayer assistance phone numbers
1 800 732-8866 or 1 217 782-3336
Representatives are available Monday through Friday, 8 am - 5 pm
TDD number is 1 800 544-5304
IDOR also has a Business Hot Line available at 1 217 524-4772, Monday through Friday, 8 am - 5 pm.

Illinois Circuit Breaker

Illinois tax forms

Illinois Taxpayer Answer Center (online database)

Other State Tax Forms