Internal Revenue Service (IRS) Taxpayer Assistance Center

Illinois Department of Revenue

4.7

555 W Monroe St 5th Floor, Chicago, IL 60661

US Internal Revenue Service

4.2

1701 W McCord St, Centralia, IL 62801

Illinois Revenue Department

4.2

200 S Wyman St #306, Rockford, IL 61101

IRS National Distribution Center

3.9

1201 Rivian Motorway, Bloomington, IL 61705