UnionPay number is a line of numbers printed on the surface of bank cards, which consists of 16 to 19 digits. Usually called bank card number or credit card number. 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.
The telephone number of the bank is equivalent to the ID number used in the bank and consists of various numbers; As the only identity card in the banking field, when enterprise users need to use public facilities, they usually involve the joint bank number.
Bank joint line number is also called bank code, bank line number and bank branch code, and joint line number is the only symbol of a regional bank. The bank number is used for cross-regional payment and settlement services such as the People's Bank of China's large payment system, small payment system, city commercial bank's bank draft system, and national check imaging system. Each bank has its own unique bank joint number. Of course, some banks that are too small may not have bank joint numbers, but we can directly know the bank to which the bank joint numbers belong through the bank joint numbers.