What kind of credit card is number 51?
Sophia Koch
Updated on February 15, 2026
If so, it is a Visa credit card. If the first two digits of the card number are 51 or 55, it is a MasterCard credit card.
What are the first four digits of a Visa card?
If you see a credit card number that starts with a 4 and contains 19 digits, you can assume it’s a Visa. Mastercard and Discover account numbers contain 16 digits. American Express contains 15 digits, and Diner’s Club and Carte Blanche contain 14 digits.
What kind of credit card has 14 digits?
Cards with 14 digits are typically Diner’s Club and cards with 15 digits are typically American Express or older JCB credit cards. Most other major types of credit cards have 16 digits.
Where do I Find my Visa credit card number?
This page contains info about these Visa credit card numbers, and where they are issued.
What does the IIN of 518127 stand for?
In this case, the IIN of 518127 indicates that this card was issued by Presidents Choice in Canada. Digits 7-15 of the credit card number contain the Primary Account Number, or PAN, issued by the bank to uniquely identify the account holder. These 8 digits are the most important part of the credit card number.
What does the number 4 mean on a credit card?
It’s known as the major industry identifier (MII). For example, if you have a Visa card, your credit card number starts with the number 4. Banks use up to the next five numbers to identify the credit card company or issuer. American Express specifies the type of card and currency using digits three and four.
What kind of credit card starts with a 5?
In some cases it takes the first two numbers to identify the network. A credit card number that starts with a 5 is a MasterCard or a Diner’s Club that contains the MasterCard logo.
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.
What kind of credit card is 6011 discover?
If the credit card number begins with 6011, it is a Discover credit card.
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.