To check if your credit card is a valid credit card number, check out our Validator.
Discover Card Credit cards are issued by Discover Bank which is based in the United States - it is the only known credit card brand that charges NO ANNUAL FEE [source]. is a Japan based credit card company which accepted by Discover and American Express merchants.
To start generating Discover Card Credit cards simply follow instructions below.
Discover credit cards always starts with 6.
We follow the law of Luhn Algorithm which basically every credit card company is using. Obviously, the credit card numbers generate are NOT just random numbers they follow some formula to create a perfect 16-digit credit card number.
Below is the luhn Algorithm formula.
Visas start with a 4, Mastercards a 5, Amex a 34 or 37 and JCB with 35.
To check for a valid credit card number check out our validator.