The Bank Identification Number (BIN) 421538 is issued by TIEN PHONG COMMERCIAL JOINT STOCK BANK in VIET NAM. This is a VISA CREDIT card with PLATINUM 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 421538, you can determine: the card network (VISA), whether it's a credit, debit, or prepaid card (CREDIT), the card level (PLATINUM), the issuing bank (TIEN PHONG COMMERCIAL JOINT STOCK BANK), and the country of issuance (VIET NAM). This information is useful for payment processors, merchants, and fraud prevention systems.