The Bank Identification Number (BIN) 543961 is issued by CAPITAL ONE, NATIONAL ASSOCIATION in UNITED STATES. This is a MASTERCARD CREDIT card with WORLD 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 543961, you can determine: the card network (MASTERCARD), whether it's a credit, debit, or prepaid card (CREDIT), the card level (WORLD), the issuing bank (CAPITAL ONE, NATIONAL ASSOCIATION), and the country of issuance (UNITED STATES). This information is useful for payment processors, merchants, and fraud prevention systems.