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How to check the last three digits of China Construction Bank's credit card?
Holders of credit cards and ID cards can go to the bank counter to check the number on the back of the credit card, or call the customer service phone of the bank where the credit card is located. The number on the back of the credit card is CVV2 code. This code allows cardholders to use credit cards when shopping at the cashier. Therefore, the code should be protected from being stolen.

The security code of the credit card can only be obtained by looking at the back of the credit card, but not by other means. Take out your credit card when you need to use the credit card security code. There are 7 digits on the back of the credit card, the first 4 digits are the credit card tail number, and the last 3 digits are the security code. The security code of the credit card is very important. In some cases, you don't even need a credit card password, just provide the credit card number and security code to complete the deduction. So please take good care of your credit card to avoid being photographed by people with ulterior motives. If you leave your credit card at home, even if you call the bank, the bank will not and cannot provide you with the security code. If you lose your credit card, you should report the loss quickly and reissue a new one. The security code of the new card is different from that of the old card.

The number behind the credit card is the CVV code of the credit card. That is to say, on the back of the credit card, there are seven digits after the signature column, of which the last three digits are the CVV code of the credit card, commonly known as "anti-counterfeiting code". For security reasons, we can't check the expiration date and CVV code of all credit cards. These three figures must be kept secret. This number is on the back of the credit card. If you turn it over with a credit card, you can see it. Credit cards have good uses, but you must be aware of theft. Protect your bank card and don't lose it. Once it falls into someone else's hands, you must be careful. You can report the loss at the bank card, otherwise the money on the credit card may be lost.

Free annual fee policy: Puka Gold Card is free of annual fee for 3 times or 18 times (excluding special cards such as business cards and car cards).

Withdrawal fee: domestic: 5‰ of the transaction amount, with the lowest 2 yuan and the highest 50 yuan; Overseas: 3% of the transaction amount, with a minimum of $3.

Multi-account management: enjoy the bill amount of multiple CCB cards on the same repayment date.

Online payment: Alipay: It can be used after online registration. Single transaction, one-day limit 500 yuan.

Installment payment business: support interest-free installment payment for specific merchants (3, 6, 12). After the single consumption exceeds 1000 yuan, you can apply for installment payment by telephone (3,6, 12,18,24). Depending on the number of installments, there will be different charging days: there will be more than one charging day every month, and the cardholder can change it once a year within the service life of the card.

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