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

Bank card numbers of the following banks:

1. CCB: 16 or 19 digits for savings card numbers and 16 digits for credit cards;

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

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

4. Transportation: 17 digits for savings card number and 16 digits for credit card;

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

Extended information

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

the bank card number refers to the number code on the hard card issued by each bank, and there are uniform provisions for the business number segments among commercial banks. The first six digits of the card number represent the identification code of the issuing bank, also called the BIN number, and different BIN numbers represent different bank card organizations and card levels.