BIN 391181 — Lookup & Card Details

Check bank, country, card type, and issuer information for BIN 391181.

What is BIN 391181?

BIN 391181 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.

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 391181 is institutional data under the ISO/IEC 7812 standard — looking it up reveals the issuing program, nothing about any cardholder.

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BIN 391181, digit by digit

Each position in a BIN carries defined meaning under ISO/IEC 7812. Here is how the 6 digits of 391181 break down.

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

9Issuer range digit 2 of the 6-digit prefix

1Issuer range digit 3 of the 6-digit prefix

1Issuer range digit 4 of the 6-digit prefix

8Issuer range digit 5 of the 6-digit prefix

1Issuer range digit 6 of the 6-digit prefix

BIN 391181 — frequently asked questions

Which bank issued BIN 391181?

The live registry lookup doesn't currently return a bank name for BIN 391181. 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 391181 run on?

BIN 391181 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 391181?

Yes. BIN 391181 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

391171 391172 391173 391174

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