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BIN 377055 — Lookup & Card Details
Check bank, country, card type, and issuer information for BIN 377055.
What is BIN 377055?
BIN 377055 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.
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 377055 itself is public metadata — it identifies the issuer, not the cardholder.
BIN 377055, digit by digit
Each position in a BIN carries defined meaning under ISO/IEC 7812. Here is how the 6 digits of 377055 break down.
BIN 377055 — frequently asked questions
Which bank issued BIN 377055?
The live registry lookup doesn't currently return a bank name for BIN 377055. 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 377055 run on?
BIN 377055 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 377055?
Yes. BIN 377055 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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