BIN 644933
6449 3371 7484 9861
BIN 644933 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.
Card number format for this BIN
Every card number that starts with 644933 follows these Discover rules. Its last digit is a Luhn check digit calculated from the digits before it, which is why a mistyped number is usually rejected before a payment is even sent.
🇺🇸 Our dataset lists 156,869 BIN ranges issued in United States. See the United States BIN list with its banks, card schemes and card types.
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 644933?
BIN 644933 belongs to Discover Issuer in United States. A BIN identifies the issuing bank and card range — never an individual account or cardholder.
Is BIN 644933 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.