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The Daily Insight

How do I find my il tax PIN?

Author

James Craig

Published Feb 28, 2026

You may use our IL-PIN inquiry in MyTax Illinois to see if an IL-PIN has been assigned to you. You may also call our toll-free number at 1 800-732-8866 and use our automated PIN inquiry system on our Voice Response Unit.

What is your Illinois PIN number?

An Illinois PIN is a number assigned to you by the Illinois Department of Revenue that is used as a signature for e-filing your Illinois tax return. If you filed Form IL-1040 last year and don’t remember your Illinois PIN, you can look it up on the IL-PIN Inquiry Site or call 1-800-732-8866.

How do I file without a PIN?

If you don’t have access to your PIN, just locate the AGI on your previous year’s tax return and enter it in the designated field. The AGI is located on line 21 of Form 1040A, line 37 on Form 1040, and line 4 on Form 1040EZ. Call the IRS at 800- 829-1040 to request your PIN.

How do I get an Illinois tax ID number?

This is done by filing IRS Form SS-4 or by calling the IRS at (800) 829-4933. If you call, it is best to have a blank copy of Form SS-4 on the table in front of you. The form can be downloaded from the IRS website. The company must also obtain an Illinois Business Tax number from the Illinois Department of Revenue.

Where do I find my il AGI?

The starting point for your Illinois tax return is your federal adjusted gross income (AGI). You’ll find your AGI on line 11 of your 2020 Form 1040.

How do I find out my Illinois ID number?

Most newer employers in Illinois will have a -000 sequence number. You can find the taxpayer ID on your Illinois Withholding Income Tax Return (IL-941).

Do you need an Il pin to file taxes in Illinois?

Page Content. No. We do not issue an IL-PIN for first time filers with Illinois. However, if you have a valid Illinois Driver’s License or Illinois State Identification Card, you can use MyTax Illinois or tax preparation software to file your individual income tax return without an IL-PIN.

Where do I go to get my Il pin?

To obtain your IL-PIN, visit the IL-PIN Inquiry website or call 1-800-732-8866. For your signature alternative, you have three options (shown below). The option you select for your signature alternative must match the IDOR’s records or your return will be rejected.

How can I obtain my 8-digit Il-pin to electronically file?

How can I obtain my 8-digit IL-PIN to electronically file my Form IL-1040? You may use our IL-PIN inquiry in MyTax Illinois to see if an IL-PIN has been assigned to you. You may also call our toll-free number at 1 800-732-8866 and use our automated PIN inquiry system on our Voice Response Unit.

What to do if something went wrong with your pin?

If the NGC folder is corrupt, the system will refuse you to change PIN. While you’ll not be allowed to add/create a PIN when the NGC folder is missing. To fix the error “ Something went wrong. Try again later. ” and get PIN logon back to work, you have to delete all the contents of the NGC folder.