BIN 397174
3971 7419 3350 4639
BIN 397174 is the Issuer Identification Number (IIN) at the start of a card number. It is issued on the Diners Club International network as a credit card at the Business level. 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 397174 follows these Diners Club International 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.
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 397174?
The issuing bank for this BIN is not named in our dataset. A BIN identifies the issuing bank and card range — never an individual account or cardholder.
Is BIN 397174 a credit or debit card?
It is a credit card on the Diners Club International 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.