BIN lookup
debit PROPRIETARY 
JAPAN
312003
JCB debit card in JAPAN.
debit PROPRIETARY JAPAN 3120 03XX XXXX XXXX
Cardholder Name
John Doe
Card
- Brand
- JCB
- Type
- debit
- Category
- PROPRIETARY
- Prepaid
- No
Issuer
- Bank
- Unknown
- Country
- japan
- Phone
- —
- Website
- —
What does BIN 312003 tell us?
BIN 312003 belongs to the JCB network in JAPAN. 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.
FAQ
BIN 312003 FAQ
Common questions about BIN 312003 and card identification.