The Bank Identification Number (BIN) 421598 is issued by CHINATRUST COMMERCIAL BANK in TAIWAN, PROVINCE OF CHINA. This is a VISA DEBIT card with GOLD 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 421598, you can determine: the card network (VISA), whether it's a credit, debit, or prepaid card (DEBIT), the card level (GOLD), the issuing bank (CHINATRUST COMMERCIAL BANK), and the country of issuance (TAIWAN, PROVINCE OF CHINA). This information is useful for payment processors, merchants, and fraud prevention systems.