The Bank Identification Number (BIN) 670821 is issued by BANCO SANTANDER TOTTA S.A. in PORTUGAL. This is a MAESTRO 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 670821, you can determine: the card network (MAESTRO), whether it's a credit, debit, or prepaid card (DEBIT), the card level (Unknown), the issuing bank (BANCO SANTANDER TOTTA S.A.), and the country of issuance (PORTUGAL). This information is useful for payment processors, merchants, and fraud prevention systems.