BIN 645109 — Lookup & Card Details

Check bank, country, card type, and issuer information for BIN 645109.

What is BIN 645109?

BIN 645109 is on the Discover 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 Discover network.

Discover is a U.S.-based network whose BINs include 6011, 65 and the 644–649 ranges, with international acceptance via partner networks.

Payment processors read these digits on every transaction: they drive routing decisions, currency handling at checkout, fraud scoring and card-product acceptance rules. BIN 645109 carries no personal information: it maps to an issuing institution and card program, never to an individual account or person.

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BIN 645109, digit by digit

Each position in a BIN carries defined meaning under ISO/IEC 7812. Here is how the 6 digits of 645109 break down.

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

4Issuer range digit 2 of the 6-digit prefix

5Issuer range digit 3 of the 6-digit prefix

1Issuer range digit 4 of the 6-digit prefix

0Issuer range digit 5 of the 6-digit prefix

9Issuer range digit 6 of the 6-digit prefix

BIN 645109 — frequently asked questions

Which bank issued BIN 645109?

The live registry lookup doesn't currently return a bank name for BIN 645109. The prefix resolves to the Discover network, and issuer details may appear as registries update — newly issued and virtual ranges often lag.

What card network does BIN 645109 run on?

BIN 645109 runs on the Discover network. Discover is a U.S.-based network whose BINs include 6011, 65 and the 644–649 ranges, with international acceptance via partner networks.

Is it legal to look up BIN 645109?

Yes. BIN 645109 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

645099 645100 645101 645102

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