543121
MASTERCARD credit card issued by UNION BANK OF TAIWAN in TAIWAN, PROVINCE OF CHINA.
credit PLATINUM 
TAIWAN, PROVINCE OF CHINA 5431 21XX XXXX XXXX
Cardholder Name
John Doe
Card
- Brand
- MASTERCARD
- Type
- credit
- Category
- PLATINUM
- Prepaid
- No
Issuer
- Bank
- UNION BANK OF TAIWAN
- Country
- taiwan, province of china
- Phone
- +886227180001
- Website
- www.ubot.com.tw
Other BINs from UNION BANK OF TAIWAN
jcb 
visa What does BIN 543121 tell us?
BIN 543121 belongs to the MASTERCARD network and is issued by UNION BANK OF TAIWAN in TAIWAN, PROVINCE OF CHINA. This is a credit 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 543121 FAQ
Common questions about BIN 543121 and card identification.