The Bank Identification Number (BIN) 665378 is issued by BANK OF COMMUNICATIONS in CHINA. This is a CHINA UNION PAY CREDIT card with PACIFIC level.
BIN (Bank Identification Number), also known as IIN (Issuer Identification Number), refers to the first 6 digits of a payment card number. These digits identify the card-issuing institution, card type, and other attributes used for routing and fraud prevention.
By looking up BIN 665378, you can determine: the card network (CHINA UNION PAY), whether it's a credit, debit, or prepaid card (CREDIT), the card level (PACIFIC), the issuing bank (BANK OF COMMUNICATIONS), and the country of issuance (CHINA). This information is useful for payment processors, merchants, and fraud prevention systems.