What is a CVV number?
CVV is an anti-fraud measure introduced world wide by credit companies. It is required that customers enter the CVV number corresponding to their card each time a payment is made and are not present to sign the receipt, as for on-line transactions.
Your CVV number may be found in the following places:
Visa/Mastercard/Diners Club - The last three digits of the number printed on the signature panel.
American Express - On the front of the card, four digits above and to the right of the card number.
