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What is a credit card Security Code and why is it required?

We require your credit card's Security Code to protect you from unauthorized transactions.

We require your credit card's Security Code to protect you from unauthorized transactions.

MasterCard, VISA, and Discover: The Security Code is the 3-digit number printed on the signature panel on the back of your card. It immediately follows the account number.

American Express: The card Security Code (also referred to as the CID number) is printed above the imprinted card number on the front of the card (on either the left or right).

*Please note a small percentage of "plastic-less" card accounts for American Express - Corporate and Purchasing Card accounts. If you have one of these accounts with no AMEX card, please enter 5555 as your card security code.

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