The Bank Identification Number (BIN) 554361 is issued by OPTUM BANK, INC. in UNITED STATES. This is a MASTERCARD DEBIT card with PREPAID FLEX BENEFIT 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 554361, you can determine: the card network (MASTERCARD), whether it's a credit, debit, or prepaid card (DEBIT), the card level (PREPAID FLEX BENEFIT), the issuing bank (OPTUM BANK, INC.), and the country of issuance (UNITED STATES). This information is useful for payment processors, merchants, and fraud prevention systems.