The Bank Identification Number (BIN) 437373 is issued by CITIBANK, N.A. in VIET NAM. This is a VISA DEBIT card with PROPRIETARY ATM 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 437373, you can determine: the card network (VISA), whether it's a credit, debit, or prepaid card (DEBIT), the card level (PROPRIETARY ATM), the issuing bank (CITIBANK, N.A.), and the country of issuance (VIET NAM). This information is useful for payment processors, merchants, and fraud prevention systems.