Originally Posted by
trilinearmipmap
OK when I paid for my ticket it asked me for the credit card number and expiration date but not what type of credit card (Amex, Mastercard or Visa). Does it know the type of credit card from the number or is there some kind of error with their credit card billing system?
American Express & Diner's Club starts with 3
Visa starts with 4
MasterCard starts with 5
Discover starts with 6