The Bank Identification Number (BIN) 540665 is issued by BANK OF AMERICA, NATIONAL ASSOCIATION in PUERTO RICO. This is a MASTERCARD CREDIT card with STANDARD 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 540665, you can determine: the card network (MASTERCARD), whether it's a credit, debit, or prepaid card (CREDIT), the card level (STANDARD), the issuing bank (BANK OF AMERICA, NATIONAL ASSOCIATION), and the country of issuance (PUERTO RICO). This information is useful for payment processors, merchants, and fraud prevention systems.