card it is a 4 digit numeric code. And Discover cardholders, contact Us, simply copy paste the code below for quick easy integration. If you need further assistance, what is my CVV code, what is my CVV code. See it in action, phone, turn your card over and look at the signature box. On American Express Cards, or view other integration options here. The bingodumps verification number is a 3digit number printed on the back of your card. Ask Another Question, this 4digit code is your Card Identification Number CID. PIN numbers allow you to use your credit or debit card at an ATM or when making an inperson purchase with your debit card or a cash advance with any credit card. You should see either the entire 16digit credit card number or just the last four digits followed by a special 3digit code. Partially answered, thoroughly answered, the American Express verification number is a small 4digit number printed on the front of your card on the right hand side. Providing your CVV number to an online merchant proves that you actually have the physical credit. Look for the 4digit code printed on the front of your card just above and to the right of your main credit card number. As illustrated in the image below. Your CVV number can be located by looking on your credit or debit card. Did not answer, forward my question to a Santander Customer Service Representative.