Account Management

8-digit BIN

A breakdown of BINs, and the change from 6-digit BINs to 8-digit BINs.


Overview

  • Effective April 2022, the International Standards Organization (ISO) announced that BIN numbers would increase from the standard 6-digits to 8 digits.
  • Visa will only assign 8-digit BINs after April 2022.
  • Issuers can set their own timeline to convert existing 6-digit BINs.
  • Pricing and programs are being used to encourage adoption of this change.

NOTE: Personal Account Number (PAN) length will not increase.

 

 

BINs Explained

What is a BIN?

  • BIN stands for Bank Identification Number.
  • BINs are the first four to eight digits printed on a payment card.
  • BINs are used on a wide range of payment cards, including debit cards, credit cards, gift cards and prepaid cards.

 

What are BINs used for?

BINs are used to:

  • Identify which financial institution issued the payment card. This can be done using websites such as BIN List
  • Troubleshoot various declined transactions.

 

BIN Change Explained

Why are BINs changing?

  • Over the years, the number of financial institutions who can issue payments cards has increased. This means that the number of payment cards with BINs has also increased.
  • The International Standards Organization (ISO) announced that BIN numbers would be changing from the existing fixed-length 6-digit BIN standard to 8-digits.
  • This change was implemented to prevent a shortage of supply of available BINs.

 

How are BINs changing?

  • Effective April 2022, BIN length would increase from 6 digits to 8 digits.

 

What does an 8-digit BIN look like?

 

How does the BIN change impact me?

  • This change will affect Customers who rely on BINs for internal processes.

 

Potential Risks Explained

What are the potential risks of not being prepared?

Potential risks include:

  • Reduced efficiency and potential interruptions to processing capabilities
  • Inconsistencies in reporting
  • Increased reconciliation costs
  • Unnecessary declines, rejections, or misrouting
  • Gaps in fraud management defenses

 

Potential risk scenarios

Scenario 1

  • The use of a 6-digit BIN to assess issuer country or type of product causes a disruption at point of transaction.
  • RISK: Lost sales and ill will from potential (or previous) Customers.

Scenario 2

  • The use of the first 6-digits to assess product type or country will spark a disruption between the buyer and seller.
  • RISK: Lost business opportunity and Customer ill will. Recurring payments and subscription services business estimated at $473 billion in 2021.
Scenario 1 Issuer A Issuer B
  • Over 1000 Issuer B transactions are declined at a large US Merchant in one week.
  • Issuer B is unable to explain why this is happening for their new credit program.
  • The Acquirer and Visa are unable to explain why as they are not seeing the transaction.
  • Further investigation reveals the Merchant was using an old 6-digit BIN table. The BIN was on the merchant’s Do Not Accept fraud management list.
  • All the Issuer B transactions were recognized as Issuer A transactions.
Existing Eastern Europe Issuer converts its 6-digit BIN in an 8-digit BIN. New US Issuer receives a brand new released 8-digit BIN.
Scenario 2 Issuer A Issuer B
  • New Cardholder attempts to register a card at a bill pay Merchant, but it is repeatedly declined.
  • New Cardholder then tries to register a card to pay for their new movie streaming channel. Not successful.
  • Issuer B is unable to explain why this is happening, since the cardholder is in good standing.
  • The Acquirer and Visa are unable to explain why as they are not seeing the declines.
  • In each case, the Merchants advise they are unable to accept the card as their processes are based on reading 6-digit BINs for product type. They see this credit program as connected to a non-reloadable prepaid card.
Canadian Issuer converts its 6-digit Gift Card BIN into 8-digit format and releases 85 BINs. US Issuer receives one of the released 8-digit BINs for their credit program.