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What are the seven numbers on the back of my China Bank credit card for?
Of the seven digits on the back of the card, the first four digits are the mantissa of your credit card number, and the last three digits are mainly used for telephone transactions. You can provide information such as card number, expiration date and password on the back of the card to complete the payment.

The above contents are for your reference. Please refer to the actual business regulations.

If you have any questions, please contact online customer service of Bank of China.

You are cordially invited to download and use China Bank Mobile Banking APP or China Bank Cross-border GO APP to handle related business.