The Bank Identification Number (BIN) 603977 is issued by BANCO DEL ESPIRITO SANTO in SPAIN. This is a MAESTRO DEBIT card with ELECTRON 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 603977, you can determine: the card network (MAESTRO), whether it's a credit, debit, or prepaid card (DEBIT), the card level (ELECTRON), the issuing bank (BANCO DEL ESPIRITO SANTO), and the country of issuance (SPAIN). This information is useful for payment processors, merchants, and fraud prevention systems.