The importance of the last three digits of a credit card. The three digits on the back of the card are the CVV2 verification code, which is used when the credit card is used for online payment, online consumption and other indirect card consumption occasions. Generally refers to the credit card. The last three digits of the seven-digit number on the back of the signature line. The last three digits of the credit card number are used to confirm whether the card owner is making the transaction. It is a verification code used for identity verification. Its importance is almost equal to that of the password. Once leaked, it is very easy to cause the credit card to be stolen. .
How to check the last three digits of a credit card. After understanding the importance of the last three digits of a credit card, let’s take a look at how to check the last three digits of a credit card. 1. If the cardholder has forgotten the CVV2 code, he or she can call the customer service number. After verifying your identity (mainly filling in the content when applying and entering the relevant password), the customer service staff will inform you of these three numbers; 2. If the cardholder For safety reasons, it is best to change your card or report the loss and get a new one. This is also a good way to check the last three digits of your credit card. The above is the answer to the question of how to check the last three digits of a credit card number. I believe that after reading this, card friends will have a deeper understanding of the importance of the last three digits of a credit card number. We remind everyone to protect your CVV2 code. If necessary, you can use a knife to scratch it or smear it until it cannot be seen clearly to prevent credit card theft.