An identity protection PIN (IP PIN) is a six-digit number that prevents someone else from filing a tax return using your Social Security number (SSN) or individual taxpayer identification …

A personal identification number (PIN; sometimes redundantly a PIN code or PIN number) is a numeric (sometimes alpha-numeric) passcode used in the process of authenticating a user …

Sep 19, 2025 · A personal identification number (PIN) is a numerical code used to authenticate a user's identity during electronic financial transactions, primarily associated with payment cards.

Feb 19, 2024 · A personal identification number (PIN) is a numerical code used to authenticate financial transactions.

Learn what a Personal Identification Number (PIN) is, how PINs work, where they’re used, and their role in secure authentication and fraud detection.

Jun 24, 2025 · Understanding what a personal identification number (PIN) is crucial for protecting your identity. Learn about different PIN types like Social Security numbers and driver’s license …

Aug 7, 2024 · A personal identification number (PIN) is a numeric code used in electronic financial transactions to add an extra layer of security. It is typically required for various transactions, …

Nov 20, 2024 · A Personal Identification Number (PIN) is a secure numeric code used to authenticate your identity during a financial transaction, ensuring only authorized users can …

A Personal Identification Number (PIN) is a numeric or alphanumeric string that is used to authenticate a person to a system. The dominant use cases for PINs are financial services …

Find out how to retrieve your identity protection PIN (IP PIN) online or have it reissued by phone.