How do I know what type of credit card I have?
William Jenkins
Updated on February 16, 2026
Identify a bank card’s credit company by looking at the first number. Cards that start with a “3” are American Express. Those that start with “4” are Visa credit and debit cards, those that start with “5” are MasterCard credit and debit cards, and those that start with “6” are Discover credit cards.
What numbers do Mastercard credit cards start with?
Mastercard cards – Begin with a 5 and has 16 digits. American Express cards – Begin with a 3, followed by a 4 or a 7 has 15 digits. Discover cards – Begin with a 6 and have 16 digits. Diners Club and Carte Blanche cards – Begin with a 3, followed by a 0, 6, or 8 and have 14 digits.
What kind of credit card starts with a 4?
A credit card number that starts with a 4 is associated with a Visa. All Visa card numbers being with this number. Let’s now dig a little deeper to determine the type of Visa cards that start with the digits 4400.
What kind of credit card starts with the number 4400?
A: The first digit or digits of a credit card number can identify the issuer of a card. A credit card number that starts with a 4 is associated with a Visa. All Visa card numbers being with this number. Let’s now dig a little deeper to determine the type of Visa cards that start with the digits 4400.
What are the different types of credit card numbers?
Although phone companies, gas companies and department stores have their own numbering systems, ANSI Standard X4.13-1983 is the system used by most national credit-card systems. The structure of the card number varies by system. For example, American Express card numbers start with 37; Carte Blanche and Diners Club with 38.
What are the first two digits of a credit card?
Each credit card has a unique string of numbers, but the first one or two digits can help you identify the payment network. A Discover card’s first digit is the number 6, Mastercard’s is 5, and American Express card numbers start with 3.