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BIN 543642 — Lookup & Card Details
Check bank, country, card type, and issuer information for BIN 543642.
What is BIN 543642?
BIN 543642 is issued by Chang Hwa Commercial Bank Ltd., from Taiwan (Province of China), on the Mastercard network, as a credit 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 543642, that institution is Chang Hwa Commercial Bank Ltd. in Taiwan (Province of China). The card runs on the Mastercard network. Transactions settle in TWD.
Mastercard is a global network whose BINs fall in the 51–55 and 2221–2720 ranges, accepted at merchants worldwide.
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 543642 itself is public metadata — it identifies the issuer, not the cardholder.
BIN 543642, digit by digit
Each position in a BIN carries defined meaning under ISO/IEC 7812. Here is how the 6 digits of 543642 break down.
BIN 543642 — frequently asked questions
Which bank issued BIN 543642?
BIN 543642 is registered to Chang Hwa Commercial Bank Ltd. in Taiwan (Province of 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 543642 from?
BIN 543642 was issued in Taiwan (Province of China), where card transactions settle in TWD. Country of issuance is set by the issuing institution's registration, not by where the card is used.
What card network does BIN 543642 run on?
BIN 543642 runs on the Mastercard network as a credit card (Mastercard Mixed). Mastercard is a global network whose BINs fall in the 51–55 and 2221–2720 ranges, accepted at merchants worldwide.
Is it legal to look up BIN 543642?
Yes. BIN 543642 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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