BIN 544339
BIN 544339 belongs to a Mastercard credit card issued by Citibank in Hong Kong.
| BIN / IIN | 544339 |
|---|---|
| Card brand | Mastercard |
| Card type | Credit |
| Card level | Not specified |
| Prepaid | No |
| Issuing bank | Citibank |
| Issuer phone | +85228600380 |
| Issuer website | https://www.citi.com.cn |
| Country | ðŸ‡ðŸ‡°Hong Kong(HK) |
What this BIN tells you
A card that starts with 544339 runs on the Mastercard network, is a credit card, was issued by Citibank and comes from Hong Kong. Payment systems read these first six digits before anything else: to route the transaction to the right network, to apply interchange and currency rules, and to flag mismatches between the card's country and the buyer's location.
A BIN identifies a range of cards, never one account. Knowing it tells you nothing about any individual cardholder. To test how your checkout handles Mastercard cards, use Mastercard test numbers for form validation, and your gateway's official sandbox cards for payment flows.
BIN 544339 FAQ
Which bank issued BIN 544339?
BIN 544339 is issued by Citibank in Hong Kong.
Is BIN 544339 a credit or debit card?
BIN 544339 is a credit card on the Mastercard network.
What country is BIN 544339 from?
Cards starting with 544339 are issued in Hong Kong (HK).
Can BIN 544339 identify a cardholder?
No. A BIN covers every card in a range from one issuer. It identifies the bank, brand, type and country, not an individual account.