The Bank Identification Number (BIN) 621635 is issued by NINGBO YINZHOU NATIONAL VILLAGE BANK-YINZHOU NATIONAL VILLAGE BANK DEBIT IC CARD in CHINA. This is a CHINA UNION PAY 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 621635, you can determine: the card network (CHINA UNION PAY), whether it's a credit, debit, or prepaid card (DEBIT), the card level (Unknown), the issuing bank (NINGBO YINZHOU NATIONAL VILLAGE BANK-YINZHOU NATIONAL VILLAGE BANK DEBIT IC CARD), and the country of issuance (CHINA). This information is useful for payment processors, merchants, and fraud prevention systems.