For better understanding of MII please hover to the detailed table below.Ī valid credit card nubmer can be easily generated by simply assigning number prefixes like the number 4 for Visa credit cards, 5 for MasterCard, 6 for Discover Card, 34 and 37 for American Express, and 35 for JCB Cards. Credit card numbers first digits may also be used to identify the credit cards major industry. These issuers are companies in which the credit card came from such as Visa, MasterCard, JCB, Discover. It consist of prefix digit Major Industry Identifier, 6-digit issuer identification number or IIN, 7-digit personal account number. Generate Valid Test Credit Card Numbers for Data Testing and Verification PurposesĪ credit card number consist of complex formulation of ISO/IEC 7812 which has 2 different parts - the numbering system and application and registration procedures.
