BIN 521866
BIN 521866 belongs to a Mastercard debit world card issued by China Construction Bank in China.
| BIN / IIN | 521866 |
|---|---|
| Card brand | Mastercard |
| Card type | Debit |
| Card level | World |
| Prepaid | No |
| Issuing bank | China Construction Bank |
| Issuer phone | 852-3918-6212 |
| Issuer website | http://en.ccb.com |
| Country | 🇨🇳China(CN) |
What this BIN tells you
A card that starts with 521866 runs on the Mastercard network, is a debit card, was issued by China Construction Bank and comes from China. 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 521866 FAQ
Which bank issued BIN 521866?
BIN 521866 is issued by China Construction Bank in China.
Is BIN 521866 a credit or debit card?
BIN 521866 is a debit card on the Mastercard network.
What country is BIN 521866 from?
Cards starting with 521866 are issued in China (CN).
Can BIN 521866 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.