The Bank Identification Number (BIN) 377877 is issued by NATIONAL AUSTRALIA BANK in AUSTRALIA. This is a AMERICAN EXPRESS CREDIT card with CORPORATE PURCHASING 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 377877, you can determine: the card network (AMERICAN EXPRESS), whether it's a credit, debit, or prepaid card (CREDIT), the card level (CORPORATE PURCHASING), the issuing bank (NATIONAL AUSTRALIA BANK), and the country of issuance (AUSTRALIA). This information is useful for payment processors, merchants, and fraud prevention systems.