BIN 381531 — Lookup & Card Details

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Check bank, country, card type, and issuer information for BIN 381531.

What is BIN 381531?

BIN 381531 is on the Diners Club 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 Diners Club network.

Diners Club International is one of the oldest card networks; its cards are processed over the Discover network in many regions.

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 381531 itself is public metadata — it identifies the issuer, not the cardholder.

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BIN 381531, digit by digit

Each position in a BIN carries defined meaning under ISO/IEC 7812. Here is how the 6 digits of 381531 break down.

3Major Industry Identifier — Travel & entertainment (Amex, Diners, JCB)

8Issuer range digit 2 of the 6-digit prefix

1Issuer range digit 3 of the 6-digit prefix

5Issuer 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 381531 — frequently asked questions

Which bank issued BIN 381531?

The live registry lookup doesn't currently return a bank name for BIN 381531. The prefix resolves to the Diners Club network, and issuer details may appear as registries update — newly issued and virtual ranges often lag.

What card network does BIN 381531 run on?

BIN 381531 runs on the Diners Club network. Diners Club International is one of the oldest card networks; its cards are processed over the Discover network in many regions.

Is it legal to look up BIN 381531?

Yes. BIN 381531 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

381521 381522 381523 381524

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