There are two kinds of bank cards, one is debit card, and the card number is usually 19 digits, but there are also special circumstances, such as China Merchants Bank, China Construction Bank 16 digits, Bank of Communications 17 digits and so on. The other is a credit card, which is a credit card. The unified card number of all banks is 16 digits.

Bank card numbers of the following banks:

1, CCB: the card number of savings card is 16 digits or 19 digits, and that of credit card is 16 digits;

2. Agricultural Bank of China: savings card number 19 digits, credit card number 16 digits;

3. ICBC: savings card number 19 digits, credit card number 16 digits;

4. Transportation: the card number of the savings card is 17 digits, and that of the credit card is 16 digits;

5. People's livelihood: savings card number 16 digits, credit card number 16 digits.

Extended data

The card number format of bank cards in Chinese mainland area is generally XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Bank card number refers to the number code on the hard card issued by each bank, and the business number segment between commercial banks has unified regulations. The first six digits of the card number represent the identification code of the issuing bank, also called BIN number, and different BIN numbers represent different bank card organizations and card levels.