The Bank Identification Number (BIN) 544090 is issued by KOREA EXCHANGE BANK CREDIT SERVICE CO., LTD. in KOREA, REPUBLIC OF. This is a MASTERCARD CREDIT card with Unknown 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 544090, you can determine: the card network (MASTERCARD), whether it's a credit, debit, or prepaid card (CREDIT), the card level (Unknown), the issuing bank (KOREA EXCHANGE BANK CREDIT SERVICE CO., LTD.), and the country of issuance (KOREA, REPUBLIC OF). This information is useful for payment processors, merchants, and fraud prevention systems.