The Bank Identification Number (BIN) 550559 is issued by BANCO POPULAR DE PUERTO RICO in PUERTO RICO. This is a MASTERCARD DEBIT card with Unknown 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 550559, you can determine: the card network (MASTERCARD), whether it's a credit, debit, or prepaid card (DEBIT), the card level (Unknown), the issuing bank (BANCO POPULAR DE PUERTO RICO), and the country of issuance (PUERTO RICO). This information is useful for payment processors, merchants, and fraud prevention systems.