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New Member
posted Apr 13, 2022 7:39:18 AM

What is payer state code for Illinois?

What is the State Identification number for Illinois?

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1 Replies
Employee Tax Expert
Apr 13, 2022 7:52:33 AM

For Illinois income tax retunds -  #37-6002057.  P.O. Box 19044, Springfield, IL  62794-9044

 

For Illinois Department of Employment Security - #36-3042127.  P.O. Box 802551, Chicago, IL  60680-2551