A quick read of anatomy of a credit card gives us the possibility of presenting an easy to use tool to decode the hidden secrets of your credit card code, with no risk and no pain.
Simply type your credit card number into the form above, and hit enter.
You can enter the number in either format AAAABBBBCCCCDDDD or AAAA-BBBB-CCCC-DDDD
Here are some examples
Verisign kindly provides the following test numbers: