Have you ever wondered if your credit card number is something totally random or if there is a system that determines what your number is? Credit card numbers are pre-determined so that the credit industry can keep track of how many cards there are in what specific areas.
Let’s take a look at the question “what is a credit card number?”
The first six digits of your credit card determine the issuer and are known as the Issuer Identification Number, or IIN. The first set of the six digits will tell you the issuer of the card and the rest of the six digits will help identify which card from the issuer and where it’s from. Each card has a determined length of digits. For example: