BIN 623831 — Lookup & Card Details

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Check bank, country, card type, and issuer information for BIN 623831.

What is BIN 623831?

BIN 623831 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.

In practice this prefix is what a checkout sees first — risk engines score it, gateways route on it, and merchants use it to decide whether to accept the card class at all. BIN 623831 is institutional data under the ISO/IEC 7812 standard — looking it up reveals the issuing program, nothing about any cardholder.

unionpay

BIN 623831, digit by digit

Each position in a BIN carries defined meaning under ISO/IEC 7812. Here is how the 6 digits of 623831 break down.

6Major Industry Identifier — Merchandising & banking (Discover, UnionPay, Maestro)

2Issuer range digit 2 of the 6-digit prefix

3Issuer range digit 3 of the 6-digit prefix

8Issuer range digit 4 of the 6-digit prefix

3Issuer range digit 5 of the 6-digit prefix

1Issuer range digit 6 of the 6-digit prefix

BIN 623831 — frequently asked questions

Which bank issued BIN 623831?

The live registry lookup doesn't currently return a bank name for BIN 623831. 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 623831 run on?

BIN 623831 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 623831?

Yes. BIN 623831 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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Related BIN ranges

Browse neighboring BINs — useful when pinpointing a card range.

Lower BINs

623821 623822 623823 623824

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