IRS office in Bloomington
301 S. Prospect Rd. Bloomington, IL 61704
IRS offices in Illinois
IRS office in Champaign
310 W. Church St. Champaign, IL, 61820
IRS office in Chicago
230 S. Dearborn St. Chicago, IL 60604
IRS office in Decatur
306 W. Eldorado Decatur, IL 62522
IRS office in Downers Grove
2001 Butterfield Rd. Downers Grove, IL 60515
IRS office in Fairview Heights
380 Fountain Office Ct. Fairview Heights, IL 62208
IRS office in Galesburg
2066 Windish Dr. Galesburg, IL 61401
IRS office in Mt. Vernon
Mt. Vernon, IL 62864By Appointment Only
IRS office in Orland Park
14479 John Humphrey Dr. Orland Park, IL 60462
IRS office in Peoria
2415 West Cornerstone Ct. Peoria, IL 61614
IRS office in Quincy
3701 East Lake Centre Dr. Quincy, IL 62305
IRS office in Rockford
4920 E. State St. Rockford, IL 61108
IRS office in Schiller Park
5100 River Rd. Schiller Park, IL 60176
IRS office in Springfield
3101 Constitution Dr. Springfield, IL 62704