The Bank Identification Number (BIN) 540654 is issued by COMPAGNIE BANCAIRE DE L'AFRIQUE OCCIDENTALE in SENEGAL. This is a MASTERCARD DEBIT 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 540654, you can determine: the card network (MASTERCARD), whether it's a credit, debit, or prepaid card (DEBIT), the card level (STANDARD), the issuing bank (COMPAGNIE BANCAIRE DE L'AFRIQUE OCCIDENTALE), and the country of issuance (SENEGAL). This information is useful for payment processors, merchants, and fraud prevention systems.