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BIN 644135 — Lookup & Card Details
Check bank, country, card type, and issuer information for BIN 644135.
What is BIN 644135?
BIN 644135 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.
In practice this prefix is what a checkout sees first — risk engines score it, gateways route on it, and merchants use it to decide whether to accept the card class at all. BIN 644135 is institutional data under the ISO/IEC 7812 standard — looking it up reveals the issuing program, nothing about any cardholder.
BIN 644135, digit by digit
Each position in a BIN carries defined meaning under ISO/IEC 7812. Here is how the 6 digits of 644135 break down.
BIN 644135 — frequently asked questions
Which bank issued BIN 644135?
The live registry lookup doesn't currently return a bank name for BIN 644135. 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 644135 run on?
BIN 644135 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 644135?
Yes. BIN 644135 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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