The Bank Identification Number (BIN) 544923 is issued by WORLD FIRST UK LIMITED in YEMEN. This is a MASTERCARD DEBIT card with WORLD FOR 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 544923, you can determine: the card network (MASTERCARD), whether it's a credit, debit, or prepaid card (DEBIT), the card level (WORLD FOR BUSINESS), the issuing bank (WORLD FIRST UK LIMITED), and the country of issuance (YEMEN). This information is useful for payment processors, merchants, and fraud prevention systems.