It is understood that the card number printed on each bank card is unique, and the central bank has a unified business number segment for all commercial banks. The number at the beginning of the card number of China Bank is different according to different card types:
1, Great Wall Electronic Debit Card of Bank of China: 4563;
2. BOC City Card of China Bank: 622760;
3. China Bank Air China bosom friend credit card: 438088;
4. China Bank Shanghai Branch Great Wall RMB Credit Card Ordinary Card: 622752;
5. Bank of China BOC series VISA standard card ordinary card /VISA university ID card: 409666.
Extended data:
China bank card number rules
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.
The first six digits of the bank card number are the BIN number, which is the bank logo.
The international organization for standardization (ISO) assigns the abbreviation $ number to all bank card organizations engaged in inter-bank transfer and exchange. General: 4 prefix-visa; 5 prefix-MasterCard; 62- China UnionPay; 3 prefixes-express, JCB, etc.
The user-defined bit length of the issuing bank can be 6- 12 bits, which generally includes the bank's internal branch identification, such as 6-7 bits, where 0 1 represents the Beijing card, and the rest will be generated immediately. ?
Finally, the last check code of the card number has certain calculation rules for anti-counterfeiting.
UnionPay standard cards meet the standards of China UnionPay, and use the BIN codes assigned by China UnionPay (currently 622 126-622925, 800 cards in total), which can be used within the payment network and protocol network of China UnionPay. At present, it can be used in China, Europe, USA, Japan, Southeast Asia, Australia and other countries.
Baidu encyclopedia-bank card number