how many numbers on a discover card
Below is the full list of credit card issuers and the respective length of their credit card numbers: Visa and Visa Electron Credit Cards. These credit cards have 13 or 16 digits in their number. Mastercard and Discover Credit Cards. Both of the above cards have 16 digits. American Express Credit Cards. AmEx cards have 15 digits in their number. Dinerâs Club: You will find exactly 14 digits in the Dinerâs Club Credit Card number.