Illinois Department Of Revenue Fax Number
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The Illinois Department of Revenue (IDOR) is the state agency responsible for administering Illinois tax laws and collecting tax revenues in a fair, consistent, and efficient manner.
What is the Fax Number for Illinois Department of Revenue?
The fax number for Illinois Department of Revenue is:
Fax Number
+1-312-814-3520
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Fax Number
+1-312-814-3520
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