Issuer identification number (IIN)

Issuer identification number (IIN),

Definition of Issuer identification number (IIN):

  1. The issuer identification number (IIN) refers to the first few digits of a payment card number issued by a financial institution. They are typically the first eight digits found on a credit, debit, or another type of payment card.

  2. A number used to identify the issuer and is part of a card number.

  3. The issuer identification number is unique to the issuer and its partnering network provider. The IIN helps identify the processing network used for the card’s transactions.

How to use Issuer identification number (IIN) in a sentence?

  1. The IIN appears as the first several digits in a credit card number, and are used to validate the card's authenticity and status.
  2. Each credit card issuer will have its own unique IIN, for instance American Express cards will begin with the digits '34' or '37'.
  3. Issuer identification numbers (IIN) indicate what company issued a credit or debit card.

Meaning of Issuer identification number (IIN) & Issuer identification number (IIN) Definition