BIN 379931 — Lookup & Card Details

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Check bank, country, card type, and issuer information for BIN 379931.

What is BIN 379931?

BIN 379931 is on the American Express 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 American Express network.

American Express cards begin with 34 or 37 and run on Amex's own closed-loop network.

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 379931 is institutional data under the ISO/IEC 7812 standard — looking it up reveals the issuing program, nothing about any cardholder.

amex

BIN 379931, digit by digit

Each position in a BIN carries defined meaning under ISO/IEC 7812. Here is how the 6 digits of 379931 break down.

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

7Issuer range digit 2 of the 6-digit prefix

9Issuer range digit 3 of the 6-digit prefix

9Issuer 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 379931 — frequently asked questions

Which bank issued BIN 379931?

The live registry lookup doesn't currently return a bank name for BIN 379931. The prefix resolves to the American Express network, and issuer details may appear as registries update — newly issued and virtual ranges often lag.

What card network does BIN 379931 run on?

BIN 379931 runs on the American Express network. American Express cards begin with 34 or 37 and run on Amex's own closed-loop network.

Is it legal to look up BIN 379931?

Yes. BIN 379931 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

379921 379922 379923 379924

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