Fax numbers
- Document Processing Unit: claim documents (for example federal SF-8 or SF-50, military DD-214) 217-557-4913 Fax this number
- 24-hour tax withholding line (TAX-2 form) 630-495-8199 Fax this number
- Fraud and identity theft reports 312-793-2356 Fax this number
How to fax it
- Pick the number above. Asking for reconsideration, or sending hearing exhibits? Use the fax number on your Finding, Determination or Notice of Hearing instead.
- Put your CID (claimant ID, on your UI Finding) or full name on every page.
- Send it from dimefax.com/send.
- Keep the delivered confirmation. Dimefax shows the date and time it went through.
Tips
- Reconsideration requests are due within 30 days of the mailing date on the determination.
- Hearing exhibits must arrive at least 24 hours before the hearing.
- You can also upload documents on the IDES website or use a local office drop box.
Dimefax costs 10¢ a page and you’re only charged if the fax goes through. On the web, page credits come in packs of 50 for $4.99, 100 for $9.99 or 200 for $19.99; the Dimefax iPhone app also sells 10 for $0.99. Credits you don’t use stay in your account and last as long as you fax once a year.
Where these numbers come from
- IDES: Federal worker unemployment FAQ
- IDES: Claimant publication CLI 105L
- IDES: Contact IDES
- IDES: Appeals
Dimefax isn’t part of, or endorsed by, the Illinois Department of Employment Security. We copied these numbers from ides.illinois.gov on November 11, 2026. Agencies change their numbers: if your letter, notice or form gives a different one, use that.