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BIN 341703 — Lookup & Card Details
Check bank, country, card type, and issuer information for BIN 341703.
What is BIN 341703?
BIN 341703 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 341703 itself is public metadata — it identifies the issuer, not the cardholder.
BIN 341703, digit by digit
Each position in a BIN carries defined meaning under ISO/IEC 7812. Here is how the 6 digits of 341703 break down.
BIN 341703 — frequently asked questions
Which bank issued BIN 341703?
The live registry lookup doesn't currently return a bank name for BIN 341703. 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 341703 run on?
BIN 341703 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 341703?
Yes. BIN 341703 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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