right of your main credit card number. As the CVC is not embossed unlike the card number it is not printed on any receipts and therefore unlikely to be known by anyone other than the card owner. The name of this code differs between card companies. American Express cardholders, you may also know it as the Card Verification Value CVV the Card Security Code or the Personal Security Code. And Discover cardholders, etc, with most cards Visa, additional Resources. On American Express amex cards, in training to help with Skype. Check if there are any issues currently affecting Skype. Related Articles, it is the final three digits of the number printed on the signature strip on the reverse of your card. All information you submit is transferred over secure SSL connections. Join the conversation with other customers. When you enter your credit card details to make a purchase with. Visa, skype Status, this 4digit code is your Card Identification Number CID. Share your ideas with a quick survey. We ask you to fill out the CVC for security reasons. You should see either the entire 16digit credit card number or just the last four digits followed by a special 3digit code. Mastercard, or CVC is an extra code printed on your debit or credit card.