BIN 644337
6443 3764 0107 5789
BIN 644337 is the Issuer Identification Number (IIN) at the start of a card number. It is issued on the Discover network as a credit card at the Personal level. The issuing bank is Discover Issuer, based in United States. A BIN identifies the bank and card range only — it never reveals an account number, balance or cardholder.
Other BINs from Discover Issuer
Check another BIN
Enter any card's first 6–8 digits to look up its bank, scheme, type and country.
Open BIN Lookup →Frequently asked questions
What bank issued BIN 644337?
BIN 644337 belongs to Discover Issuer in United States. A BIN identifies the issuing bank and card range — never an individual account or cardholder.
Is BIN 644337 a credit or debit card?
It is a credit card on the Discover network.
Can I get full card numbers from a BIN?
No. A BIN is only the first 6–8 digits and public routing information. It reveals the scheme, type, bank and country, but never a full card number, balance or cardholder. The sample on this page is randomly generated and holds no funds.