These issuers are companies in which the credit card came from such as Visa, MasterCard, JCB, Discover. and American Express. Credit card numbers first digits may also be used to identify the credit cards major industry. Of MII please hover to the detailed table below.Ī valid credit card number 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 AmericanĮxpress, and 35 for JCB Cards. All credit card numbers generated from this website are completely random and does not hold any real-world value. To easily generate 100% valid credit card numbers that you can use for data testing and other verification purposes.