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BIN 525549 is issued by Wooricard Co., Ltd, from Korea (the Republic of), 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 525549, that institution is Wooricard Co., Ltd in Korea (the Republic of). The card runs on the Mastercard network. Transactions settle in KRW.
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 525549 itself is public metadata — it identifies the issuer, not the cardholder.
Each position in a BIN carries defined meaning under ISO/IEC 7812. Here is how the 6 digits of 525549 break down.
BIN 525549 is registered to Wooricard Co., Ltd in Korea (the Republic of). The issuing institution is recorded in the card networks' BIN registries and confirmed by the live lookup on this page.
BIN 525549 was issued in Korea (the Republic of), where card transactions settle in KRW. Country of issuance is set by the issuing institution's registration, not by where the card is used.
BIN 525549 runs on the Mastercard network as a credit card (World Mastercard For Business). Mastercard is a global network whose BINs fall in the 51–55 and 2221–2720 ranges, accepted at merchants worldwide.
Yes. BIN 525549 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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