The Bank Identification Number (BIN) 540600 is issued by UNICREDIT BULBANK AD in BULGARIA. This is a MASTERCARD DEBIT card with WORLD BUSINESS 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 540600, you can determine: the card network (MASTERCARD), whether it's a credit, debit, or prepaid card (DEBIT), the card level (WORLD BUSINESS), the issuing bank (UNICREDIT BULBANK AD), and the country of issuance (BULGARIA). This information is useful for payment processors, merchants, and fraud prevention systems.