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BIN 621903 — Lookup & Card Details
Check bank, country, card type, and issuer information for BIN 621903.
What is BIN 621903?
BIN 621903 is on the UnionPay network.
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. The card runs on the UnionPay network.
UnionPay is China's card network and one of the largest in the world by cards issued; its BINs begin with 62 and are accepted in over 180 countries.
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 621903 itself is public metadata — it identifies the issuer, not the cardholder.
BIN 621903, digit by digit
Each position in a BIN carries defined meaning under ISO/IEC 7812. Here is how the 6 digits of 621903 break down.
BIN 621903 — frequently asked questions
Which bank issued BIN 621903?
The live registry lookup doesn't currently return a bank name for BIN 621903. The prefix resolves to the UnionPay network, and issuer details may appear as registries update — newly issued and virtual ranges often lag.
What card network does BIN 621903 run on?
BIN 621903 runs on the UnionPay network. UnionPay is China's card network and one of the largest in the world by cards issued; its BINs begin with 62 and are accepted in over 180 countries.
Is it legal to look up BIN 621903?
Yes. BIN 621903 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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