Easy Ways to Read a Credit Card Number

With the development of technology, financial payment systems are now become very easy with the presence of a credit card. You no longer need to carry a lot of money or the hassle of going to the ATM when buying something. Credit cards themselves are goods that are highly confidential and have very strong security technologies. Every credit card must have a unique number that is different on each card.

But you know if it turns out that credit card numbers have a specific pattern that can be read by everyone? Yes, all credit card numbers have the same pattern so that if you understand the pattern, you can instantly tell the authenticity of the credit card without waiting for validation from others.

Knowledge of patterns of credit card numbers may be very useful for some. For example, if you run a small business that can not process card payments directly kerdit then you can instantly tell you whether or not a valid credit card by reading the number. However, even if you do not have any business, it would not hurt for you to know the pattern of this credit card in addition to your knowledge.

Credit card numbers are not made at random. Because there is a specific pattern of these numbers to show information about the card issuer and also other information about the owner of the card. Each number indicates the kind of information is very important and all will Paseban discuss one by one in this article.

The first number that is on a credit card is a number which is often referred to as the Major Industry Identifier or MII. These numbers can inform you about the company or institution that issued the credit card. Here is a list of these numbers:

    1 and 2 issued by airlines

    3 issued by the travel and entertainment services

    4 and 5 issued by banks and financial institutions

    6 issued by banks and corporate merchandise

    7 issued by the oil company

    8 issued by the telecommunications company

    9 issued by state agencies

Then, the first 6 digit numbers, including the numbers called MII or Issuer Identification Number IIN. IIN number serves to identify the company or agency that issued the credit card. By looking at IIN numbers, then you can find out who the card issuer with ease. There are many IIN numbers that exist today, to see the complete list you can see it through the Wikipedia site here. Here are some numbers IIN is quite popular and often you may see on your credit card:

    Visa: 4 *****

    American Express (AMEX): 34 **** or 37 ****

    Diner's Club International: 36 ****

    Mastercard: 51 **** and 55 ****

    JCB: 35 ****

    Maestro: 56 ****

    Discover: 65 ****

    Bank Negara Indonesia (MasterCard Debit Card): 5264 **

    Bank Negara Indonesia (Visa Credit Card): 410 504 and 410 506

    Panin Bank Indonesia: 4377 **

    Bank Niaga Indonesia: 4760 **

Furthermore, the number seven to number two before the latter being the owner of the card account number. Most companies only use 9 digits for the account number, the account number when in fact it can be made up to 12 digits. With the combination of this kind, it can be calculated that kerdit card can be made up to a one trillion. That way, there will be no new numbering system to an existing credit card account for a trillion pieces.

Since most agencies only use 9 digits for the account number, then most credit card numbers we see today amount to 16 digits. But it is possible if in the future the kit will see the credit card up to 19 digits for numbering system can now make credit card numbers up to 19 digits. The last number that is in any credit card or check digit is commonly referred to as a checksum. These numbers are used to validate credit cards using the algorithm Luhm.