The CVN is the 3-4 digit security number on your credit card required for online transactions. You can find this number on your card in one of two places, depending on the type of card you are using.

Visa/Mastercard

The three-digit CVV number is printed on the signature panel on the back of the card immediately after the card's account number.

American Express

The four-digit CVV number is printed on the front of the card above the card account number.