Each credit card is classified according to its industry in terms of MII. These numbers identify the company that issues these credit cards. The first 6 six digits are MII (Major Industry Identifier) or IIN (Issuer Identification Number). ![]() MII/IIN:Įvery credit card follows an ideal pattern. For instance, all visa credit cards start with 4, MasterCard with 5, Discover card with 6, American Express with 34 and 37, and JCB Cards with 35. The starting digit of every card number must correspond with the issuing company. Any credit card number that exceeds this limit cannot be considered valid. ![]() The major thing to note about the card number is that it must consist of 16 numbers. The validity of a credit card is reliant on multiple characteristics, which include the following: Credit Card Number: A valid credit card number generator is essential to perform various tasks. ![]() A credit card number is also called a primary account number (PAN).
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