The Bank Identification Number (BIN) 666019 is issued by CITIBANK (HONG KONG), LTD. in HONG KONG. This is a MAESTRO DEBIT card with ATM CARD 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 666019, you can determine: the card network (MAESTRO), whether it's a credit, debit, or prepaid card (DEBIT), the card level (ATM CARD), the issuing bank (CITIBANK (HONG KONG), LTD.), and the country of issuance (HONG KONG). This information is useful for payment processors, merchants, and fraud prevention systems.