The IWCC will be closed Monday, October 12^th, 2026, in observance of Columbus Day.

Assessments and self-insurance fees can now be paid electronically. Click here for instructions.

Welcome to the Illinois Workers' Compensation Commission

Calendars

IWCC case management system

Calendars & Call Sheets

Procedures & Resources

Springfield: 217-785-7087

Collinsville: 618-346-3484

Rockford: 312-814-6500 If you intend to visit our Peoria or Rockford office, please call first to make sure the office is open.

TDD/TTY Support Line: 866-383-4370