The IWCC will be closed on Tuesday, November 11^th, 2025 in observance of Veterans’ Day.

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

2024 September Commission Calendar

News – Monday, July 29, 2024

The 2024 September 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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