Now a day there is no need to carry your passbook to withdraw money from the bank. Debit card and credit card era has arrived. If we are talking about India, almost all of the working class must have a debit card and a credit card. People make use of debit and credit card, but very few people have complete and accurate information about it.
Now let you know what is the meaning of each 16-digit number in debit card and credit card? How to code the debit card and credit card number? Learn how these numbers would hide the secret of your account and the issuing company?
First Digit of debit card and credit card number:
This reflects the industry, which is issued the card such as banks, Petroleum Company etc. It is different for different industries. This is known as Major Industry Identifier (MII: Major Industry Identifier).
| MII Digit | Issuing Industry |
| 0 | ISO and other industry |
| 1 | Airlines |
| 2 | Airlines and other industry |
| 3 | Travel and Entertainment (American Express or Food Club) |
| 4 | Banking and Finance (Visa) |
| 5 | Banking and Finance (Master Card) |
| 6 | Banking and Merchandising |
| 7 | Petroleum |
| 8 | Telecommunications and other industries |
| 9 | National Assignment |
The first 6 numbers
The first 6 digit of Debit card and credit card number shows the card issuing company. This is known as Issuer Identification Number (IIN).
Company IIN
American Express 34XXXX, 37XXXX
VISA 4XXXXX
Master Card 51XXXX-55XXXX
Reducing from No. 7 to the final number
From No. 7 to n-1 (credit or debit card number except the last digit) is linked to your bank account number. Its not your bank account number, but it is linked.
The last number
The last digit of Debit and credit card number is known as cheque digit. Through this, it is known that the card is valid or not?
See Also: The PAN CARD code has your information, learn their meaning
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Debit Card and Credit Card: Learn The Meaning of 16-Digit Number
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