IDES fraud and identity theft fax number

Where to fax the Illinois Department of Employment Security to report unemployment fraud or identity theft.

Verified October 22, 2026Checked against Contact IDES (ides.illinois.gov).

IDES fraud and identity theft fax number: which number to use
Who uses it	Office	Fax
Reports of unemployment fraud and identity theft	IDES fraud and identity theft	(312) 793-2356

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Last verified October 22, 2026

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