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What is a Card Security Code

Last Updated: Jul 15, 2015 05:39PM EDT
The card security code is a special code on your credit card that is used to confirm you are holding the card in hand when placing your online order.

For Visa, Mastercard and Discover:

The code is found on the back of the credit card.  Look for the last 3 digits visible on or near the string of numbers in the signature box.

For American Express:

The code is found on the upper right corner of the front of the card.
 

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