The Bank Identification Number (BIN) 621400 is issued by TIANJIN BEICHEN RURAL BANK CO., LTD. in CHINA. This is a CHINA UNION PAY Unknown card with CHENXING CARD 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 621400, you can determine: the card network (CHINA UNION PAY), whether it's a credit, debit, or prepaid card (Unknown), the card level (CHENXING CARD), the issuing bank (TIANJIN BEICHEN RURAL BANK CO., LTD.), and the country of issuance (CHINA). This information is useful for payment processors, merchants, and fraud prevention systems.