400661
VISA debit card issued by BANCO DA UNIAO in GUINEA-BISSAU.
debit CLASSIC 
GUINEA-BISSAU 4006 61XX XXXX XXXX
Cardholder Name
John Doe
Card
- Brand
- VISA
- Type
- debit
- Category
- CLASSIC
- Prepaid
- No
Issuer
- Bank
- BANCO DA UNIAO
- Country
- guinea-bissau
- Phone
- —
- Website
- —
Other BINs from BANCO DA UNIAO
| BIN | Brand | Type | Prepaid |
|---|---|---|---|
| 400789 | visa | debit | — |
What does BIN 400661 tell us?
BIN 400661 belongs to the VISA network and is issued by BANCO DA UNIAO in GUINEA-BISSAU. 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 400661 FAQ
Common questions about BIN 400661 and card identification.