The Bank Identification Number (BIN) 545549 is issued by CITIBANK NA PARAGUAY BRANCH in PARAGUAY. This is a MASTERCARD CREDIT card with STANDARD 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 545549, you can determine: the card network (MASTERCARD), whether it's a credit, debit, or prepaid card (CREDIT), the card level (STANDARD), the issuing bank (CITIBANK NA PARAGUAY BRANCH), and the country of issuance (PARAGUAY). This information is useful for payment processors, merchants, and fraud prevention systems.