The Bank Identification Number (BIN) 448577 is issued by CITIBANK, NATIONAL ASSOCIATION in PUERTO RICO. This is a VISA CREDIT card with 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 448577, you can determine: the card network (VISA), whether it's a credit, debit, or prepaid card (CREDIT), the card level (PURCHASING), the issuing bank (CITIBANK, NATIONAL ASSOCIATION), and the country of issuance (PUERTO RICO). This information is useful for payment processors, merchants, and fraud prevention systems.