The Head Office has specially formulated the Code Rules for Savings Card Numbers of China Construction Bank and the Standard for Magnetic Strip Data Format, which specify the range of CCB card numbers. The first six digits of the bank card are the identification code of the issuing bank of CCB savings card, and the unified number is "436742".
The card number of a bank card is the number that identifies the information of the card issuer and the cardholder, and consists of the following three parts: the identification code (BIN number) of the card issuing bank, the user-defined bit of the card issuing bank, and the check code.
Domestic bank cards are divided into different bank card organizations according to different numbers. Among them, the bank card with "4" in the BIN number belongs to the VISA card organization, and the bank card with "5" belongs to the MasterCard organization.
Cards with "9", "62" and "60" belong to China UnionPay. UnionPay cards with "62" and "60" are UnionPay standard cards that meet international standards and can be used overseas. This is also the main bank card issued by China UnionPay in recent years.
Extended data:
Bank card type:
Under normal circumstances, bank cards are divided into credit cards and debit cards according to whether credit lines are granted to cardholders. In addition, bank cards can also
1, which is divided into magnetic stripe card and chip card according to different information carriers;
2. According to whether the issuer is in China, it is divided into domestic cards and overseas cards;
3. According to the different issuing banks, it is divided into personal cards and unit cards;
4. Account can be divided into RMB card, foreign currency card and dual currency card according to different currencies.
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