The Bank Identification Number (BIN) 421757 is issued by SAN LUIS VALLEY FEDERAL BANK in UNITED STATES. This is a VISA DEBIT card with PREPAID CLASSIC 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 421757, you can determine: the card network (VISA), whether it's a credit, debit, or prepaid card (DEBIT), the card level (PREPAID CLASSIC), the issuing bank (SAN LUIS VALLEY FEDERAL BANK), and the country of issuance (UNITED STATES). This information is useful for payment processors, merchants, and fraud prevention systems.