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About IDOR

About IDOR

Department Phone Numbers


Alcohol, Tobacco, & Fuel Division
217 785-2645
Legislative Office
217 785-5918
Bingo and Charitable Games Office
(application and registration only)
217 785-5864

Problems Resolution Division
217 785-7313
Board of Appeals
312 814-3004
Sales Tax (specific account inquiries only)
217 782-7897
Business Hot Line
217 524-4772
Tax Fraud Hot Line
800 243-2811
Central Registration Division
217 785-3707
Taxpayer Assistance Lines
800 732-8866
217 782-3336
Forms Order Line
800 356-6302
TDD (Telecommunications Device for the Deaf)
800 544-5304
Freedom of Information Office
217 782-0985

Legal Services Office
217 782-7054