Location for Credit Card Security Number

Q: How do I find this 3 or 4 Digit Security Number?

A: For a Visa, MasterCard or Discover card, your 3 Digit Security Number is located on the back of your credit card.Typically, it's found on the right hand side of your 'Authorized Signature' pad preceded by the last four numbers of your credit card.

A: For an American Express card, your 4 Digit Security Number is located on the front. Usually, this is found on the right hand side, just above your credit card number.