The Bank Identification Number (BIN) 539721 is issued by VIETNAM PUBLIC JOINT STOCK COMMERCIAL BANK in VIET NAM. This is a MASTERCARD DEBIT card with PREPAID RELOADABLE 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 539721, you can determine: the card network (MASTERCARD), whether it's a credit, debit, or prepaid card (DEBIT), the card level (PREPAID RELOADABLE), the issuing bank (VIETNAM PUBLIC JOINT STOCK COMMERCIAL BANK), and the country of issuance (VIET NAM). This information is useful for payment processors, merchants, and fraud prevention systems.