IIN Abbreviation

Looking for IIN abbreviation? We have got you covered in this guide. We have listed down different possible abbreviations of IIN in various groups like Business, Messaging, Miscellaneous, Academic & Science, Accounts and Finance, and Stock Exchanges.

FullFormFactory is the largest source of abbreviations generated in different ways using AI and verified by our community. You can see all the abbreviations in different categories popularity-wise followed by the most popular abbreviation of IIN in the image.

Popular abbreviations of IIN:

Searching for IIN abbreviation / IIN full form leads to different results in different categories. The below table illustrates the popular acronyms among them.

You can download this image and share it on social media. If you are a website owner, you can add appropriate citations to use this IIN full form, meaning image.

What does IIN mean?

Issuer Identification Number is abbreviated as INN. The issuer identification number is the unique number that tells about the initial eight or six digits printed on the front side of any credit or debit card issued by the banks.

The whole credit card or debit card number may comprise a maximum of 19 digits, depending on the issuing financial institution. In PAN (Permanent Account Number) cards, there are eight digits in INN.

Features of INN

• By knowing the INN digits, one can identify the processing network with which the card’s transaction.
• INN identified the status of the credit/debit card and its authenticity. It tells whether the cardholder is authorized to make the transaction with this particular card or not.
• INN specifies the card’s network, but it does not disclose any information about the cardholder.
• Each credit or debit card company has a unique INN.

Importance of Issuer Identification Number

• This number helps verify the card by the processor while the card is swiped.
• Issuer Identification Number or INN signifies the funds available with that particular credit or debit card.
• INN digits don’t have the information about the cardholder, and it only tells about the credit or debit card issuing company.
• The International Organization of Standardization assigns the INN digits.
• With the identification of INN, the card issuer can be identified in the international exchange environment.

Difference between PCN vs INN

Payment card number: 

This number is directly linked to the customer’s bank account, which holds personal details about the customer. With payment card numbers, the issuing financial institution keeps a record of the card’s transaction history.

Issuer identification number:

This number comprises a code containing information about the credit or debit card number.