BIN lookup
debit 
United States
550031
MASTERCARD debit card in United States.
debit United States 5500 31XX XXXX XXXX
Cardholder Name
John Doe
Card
- Brand
- MASTERCARD
- Type
- debit
- Category
- MASTERCARD
- Prepaid
- No
Issuer
- Bank
- Unknown
- Country
- united states
- Phone
- —
- Website
- —
What does BIN 550031 tell us?
BIN 550031 belongs to the MASTERCARD network in United States. 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 550031 FAQ
Common questions about BIN 550031 and card identification.