Tax guide

How do I get my IRS PIN?

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

Anyone who has been a victim of identity theft is automatically assigned an IP PIN. If you are not a victim but would like to request an IP PIN, you can apply at the same IP PIN request portal

Notice: An IP PIN is an additional security measure for eligible taxpayers to prevent fraudulent use of their 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).

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