The first 8 digits determine the ownership of the bank card. Following is the serial number. Cards from any bank are possible

UnionPay card number: card BIN number (6 digits) card issuer’s customized digits (6-12 digits) check code (last digit), 622XXX, 621XXX first 6 The bits represent different banks or different card types

Whether it is Agricultural Bank of China or other banks, there are many types of bank cards, including: credit card, quasi-credit card, debit card

Credit card (Credit cards) Credit cards starting with 5 are MasterCard, cards starting with 4 are Visa, and cards starting with 3 are American Express cards. These are all internationally accepted credit cards, classified by the card issuer

A quasi-credit card is a non-standard credit card issued by banks to customers that can be used for consumption overdrafts or cash withdrawal overdrafts. This charge card can be used for consumption overdrafts, but does not enjoy the interest-free period. However, there is no handling fee for overdraft withdrawals. , and there is interest on deposits

As for debit cards, they usually start with 6 now, 6 represents China UnionPay, and some also start with 9, such as 95599, which is the customer service number of the Agricultural Bank of China, which is easy to remember.

Generally, the first few digits of a bank card represent the card issuer, the following digits sometimes represent the city area number, and then the serial number of the card, and the last digit (or two) is the check digit