The Bank Identification Number (BIN) 439977 is issued by EAST BOSTON SAVINGS BANK in UNITED STATES. This is a VISA DEBIT card with 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 439977, you can determine: the card network (VISA), whether it's a credit, debit, or prepaid card (DEBIT), the card level (BUSINESS), the issuing bank (EAST BOSTON SAVINGS BANK), and the country of issuance (UNITED STATES). This information is useful for payment processors, merchants, and fraud prevention systems.