The Bank Identification Number (BIN) 644557 is issued by DISCOVER ISSUER in UNITED STATES. This is a DISCOVER CREDIT card with REWARDS 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 644557, you can determine: the card network (DISCOVER), whether it's a credit, debit, or prepaid card (CREDIT), the card level (REWARDS), the issuing bank (DISCOVER ISSUER), and the country of issuance (UNITED STATES). This information is useful for payment processors, merchants, and fraud prevention systems.