The IWCC will be closed on Monday, January 19^th, 2026, in observance of Martin Luther King, Jr. Day.

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

2025 February Commission Calendar

News – Tuesday, January 7, 2025

The 2025 February Commission Calendar is now available to download/view.

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

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