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BIN 666091 — Lookup & Card Details
Check bank, country, card type, and issuer information for BIN 666091.
What is BIN 666091?
BIN 666091 is on the Maestro / debit network 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 Maestro / debit network network.
This BIN falls in the 50/56–69 space used by Maestro and regional debit, store and private-label card programs — ranges that sit outside the major global credit networks but are routed through their own debit rails.
Payment processors read these digits on every transaction: they drive routing decisions, currency handling at checkout, fraud scoring and card-product acceptance rules. BIN 666091 carries no personal information: it maps to an issuing institution and card program, never to an individual account or person.
BIN 666091, digit by digit
Each position in a BIN carries defined meaning under ISO/IEC 7812. Here is how the 6 digits of 666091 break down.
BIN 666091 — frequently asked questions
Which bank issued BIN 666091?
The live registry lookup doesn't currently return a bank name for BIN 666091. The prefix resolves to the Maestro / debit network network, and issuer details may appear as registries update — newly issued and virtual ranges often lag.
What card network does BIN 666091 run on?
BIN 666091 runs on the Maestro / debit network network. This BIN falls in the 50/56–69 space used by Maestro and regional debit, store and private-label card programs — ranges that sit outside the major global credit networks but are routed through their own debit rails.
Is it legal to look up BIN 666091?
Yes. BIN 666091 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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