The Bank Identification Number (BIN) 556100 is issued by REGIONS BANK in UNITED STATES. This is a MASTERCARD CREDIT card with CORPORATE FLEET 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 556100, you can determine: the card network (MASTERCARD), whether it's a credit, debit, or prepaid card (CREDIT), the card level (CORPORATE FLEET), the issuing bank (REGIONS BANK), and the country of issuance (UNITED STATES). This information is useful for payment processors, merchants, and fraud prevention systems.