The Bank Identification Number (BIN) 550457 is issued by COMERICA BANK in UNITED STATES. This is a MASTERCARD DEBIT card with PREPAID RELOADABLE 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 550457, you can determine: the card network (MASTERCARD), whether it's a credit, debit, or prepaid card (DEBIT), the card level (PREPAID RELOADABLE), the issuing bank (COMERICA BANK), and the country of issuance (UNITED STATES). This information is useful for payment processors, merchants, and fraud prevention systems.