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BIN 377323 — Lookup & Card Details
Check bank, country, card type, and issuer information for BIN 377323.
What is BIN 377323?
BIN 377323 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.
Payment processors read these digits on every transaction: they drive routing decisions, currency handling at checkout, fraud scoring and card-product acceptance rules. BIN 377323 carries no personal information: it maps to an issuing institution and card program, never to an individual account or person.
BIN 377323, digit by digit
Each position in a BIN carries defined meaning under ISO/IEC 7812. Here is how the 6 digits of 377323 break down.
BIN 377323 — frequently asked questions
Which bank issued BIN 377323?
The live registry lookup doesn't currently return a bank name for BIN 377323. 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 377323 run on?
BIN 377323 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 377323?
Yes. BIN 377323 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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