Tax guide

How do I get my IRS PIN?

An IP PIN is a security measure that helps prevent fraudulent use of Social Security Numbers. An IP PIN is not the same thing as a taxpayer identification number, such as a Social Security Number, individual taxpayer ID, or an Adoption Taxpayer Identification Number (ATIN). 

To get an IP PIN that is lost, forgotten, or never arrived in a CP01A Notice, use the IP PIN request portal at IRS.gov. If you can’t access your IP PIN online, call (800) 908-4490 for help getting your IP PIN reissued. 

Don't file your tax return without your IP PIN. Your return will be accepted only with a correct IP PIN, even if you have prior-year AGI. 

To learn more, see our Tax Guide page on IP PINs. 

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