Credit Card Lingo

Ever wonder how some companies know what type of card you have by enter the first few digits. It's very simple if you follow this chart below. But the credit card lingo is nothing new and things you should know if your a vendor.

 Visa  4- 
 Mastercard  51-, 52-, 53-, 54-, 55- 
 Diners Club  36-, 38- 
 Discover  6011-, 65- 
 JCB  35- 
 American Express  34-, 37-