The Bank Identification Number (BIN) 548891 is issued by UNION BANK OF TAIWAN in UNITED STATES. This is a MASTERCARD CREDIT card with WORLD ELITE 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 548891, you can determine: the card network (MASTERCARD), whether it's a credit, debit, or prepaid card (CREDIT), the card level (WORLD ELITE), the issuing bank (UNION BANK OF TAIWAN), and the country of issuance (UNITED STATES). This information is useful for payment processors, merchants, and fraud prevention systems.