The Bank Identification Number (BIN) 377931 is issued by BANCO SANTANDER DE PUERTO RICO in PUERTO RICO. This is a AMERICAN EXPRESS CREDIT card with PERSONAL GOLD REVOLVE 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 377931, you can determine: the card network (AMERICAN EXPRESS), whether it's a credit, debit, or prepaid card (CREDIT), the card level (PERSONAL GOLD REVOLVE), the issuing bank (BANCO SANTANDER DE PUERTO RICO), and the country of issuance (PUERTO RICO). This information is useful for payment processors, merchants, and fraud prevention systems.