623003
CHINA UNION PAY debit card issued by QHDCCB in CHINA.
debit PERSONAL 
CHINA 6230 03XX XXXX XXXX
Cardholder Name
John Doe
What does BIN 623003 tell us?
BIN 623003 belongs to the CHINA UNION PAY network and is issued by QHDCCB in CHINA. This is a debit card (not prepaid).
The first 6 digits of this card number uniquely identify the issuing institution and card program. This information is used by payment processors, fraud detection systems, and merchants to route transactions and validate cards.
BIN data is public information shared across millions of cards. Knowing a BIN does not expose any personal or account information. The remaining digits are unique to each cardholder and include a check digit validated by the Luhn algorithm.
BIN 623003 FAQ
Common questions about BIN 623003 and card identification.