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What Credit Card Numbers Mean - The numbers on a credit card each stand for something, but what they stand for depends on the credit card system. Sometimes the relationship between card numbers and card type can be simplified into a rule like “Visa credit card numbers start with 4.” For most card types. This page provides information about identifying a credit card type from a card number's numeric First digit must be a 3 and second digit must be a 4 or 7.

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. 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 . The IIN ranges used by the major card schemes are: Visa: Card numbers start with a 4. MasterCard: Card numbers start with the numbers

American Express cards start with either 34 or Mastercard numbers begin with 51– Visa cards start with 4. And so on. This information. 15 'Master Card 51 to 55 16 'Visa 4 13, 16 'Just in case nothing is found CreditCardType = "Unknown" 'Remove all spaces and dashes from the passed. Every possible 4 digit PIN Number in the world: would not work assuming that the hackers did not get the card numbers as well. . Better start entering combinations End it Now. Wells Fargo issues credit and debit cards in United States under a total of 44 different Issuer - , 65XX XXXX XXXX, DEBIT, United States.