The Bank Identification Number (BIN) 452490 is issued by MERCK SHARP & DOHME FEDERAL CREDIT UNION in VIET NAM. This is a VISA DEBIT card with SIGNATURE 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 452490, you can determine: the card network (VISA), whether it's a credit, debit, or prepaid card (DEBIT), the card level (SIGNATURE), the issuing bank (MERCK SHARP & DOHME FEDERAL CREDIT UNION), and the country of issuance (VIET NAM). This information is useful for payment processors, merchants, and fraud prevention systems.