The Bank Identification Number (BIN) 434400 is issued by WESTPAC BANKING CORPORATION in TIMOR-LESTE. This is a VISA DEBIT card with PREPAID PURCHASING 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 434400, you can determine: the card network (VISA), whether it's a credit, debit, or prepaid card (DEBIT), the card level (PREPAID PURCHASING), the issuing bank (WESTPAC BANKING CORPORATION), and the country of issuance (TIMOR-LESTE). This information is useful for payment processors, merchants, and fraud prevention systems.