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BIN 400221 — Lookup & Card Details
Check bank, country, card type, and issuer information for BIN 400221.
What is BIN 400221?
BIN 400221 is issued by Bank Of China Limited, from China, on the Visa network, as a debit card.
A Bank Identification Number (BIN, or Issuer Identification Number / IIN) is the first 6 to 8 digits of any payment card. It tells the payment network which institution issued the card, what kind of card it is, and where it was issued. For BIN 400221, that institution is Bank Of China Limited in China. The card runs on the Visa network. Transactions settle in CNY.
Visa is the world's largest card network, with cards beginning with the digit 4 and accepted in virtually every country.
Merchants, fraud teams, ad platforms and developers use BIN data to route transactions, localize checkout, detect chargebacks and decide which card products they accept. BIN 400221 itself is public metadata — it identifies the issuer, not the cardholder.
BIN 400221, digit by digit
Each position in a BIN carries defined meaning under ISO/IEC 7812. Here is how the 6 digits of 400221 break down.
BIN 400221 — frequently asked questions
Which bank issued BIN 400221?
BIN 400221 is registered to Bank Of China Limited in China. The issuing institution is recorded in the card networks' BIN registries and confirmed by the live lookup on this page.
What country is BIN 400221 from?
BIN 400221 was issued in China, where card transactions settle in CNY. Country of issuance is set by the issuing institution's registration, not by where the card is used.
What card network does BIN 400221 run on?
BIN 400221 runs on the Visa network as a debit card (Visa Gold). Visa is the world's largest card network, with cards beginning with the digit 4 and accepted in virtually every country.
Is it legal to look up BIN 400221?
Yes. BIN 400221 is public infrastructure data under the ISO/IEC 7812 standard — it identifies the issuing program, not any cardholder. No personal or account data is involved in a BIN lookup.
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