The Bank Identification Number (BIN) 523749 is issued by NATIONAL WESTMINSTER BANK PLC in UNITED KINGDOM. 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 523749, you can determine: the card network (MASTERCARD), whether it's a credit, debit, or prepaid card (CREDIT), the card level (WORLD), the issuing bank (NATIONAL WESTMINSTER BANK PLC), and the country of issuance (UNITED KINGDOM). This information is useful for payment processors, merchants, and fraud prevention systems.