The IWCC will be closed on Friday, July 4th for Independence Day.

If you made any filings in the Compfile system on June 30th, 2025 between the hours of 4:00 PM and 6:00 PM please confirm your entries were successfully stored in the CompFile system.

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

The IWCC will be closed on Wednesday, December 25th in observance of Christmas and Wednesday, January 1st, 2025 for New Year's Day. We wish you a joyful holiday season!

Bottom – Monday, December 16, 2024

Contact Information

Chicago: 312-814-6500

Springfield: 217-785-7087

Collinsville: 618-346-3484

Peoria: 312-814-6500

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

Support: wcc.compfile@illinois.gov

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The IWCC will be closed on Wednesday, December 25th in observance of Christmas and Wednesday, January 1st, 2025 for New Year's Day. We wish you a joyful holiday season!

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