BIN 377455
3774 5550 6447 672
BIN 377455 is the Issuer Identification Number (IIN) at the start of a card number. It is issued on the American Express network as a credit card at the Personal Green Revolve level. The issuing bank is Westpac - South Pacific, based in Cook Islands. 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 377455 follows these American Express 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 14 BIN ranges issued in Cook Islands. See the Cook Islands BIN list with its banks, card schemes and card types.
Other BINs from Westpac - South Pacific
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 377455?
BIN 377455 belongs to Westpac - South Pacific in Cook Islands. A BIN identifies the issuing bank and card range — never an individual account or cardholder.
Is BIN 377455 a credit or debit card?
It is a credit card on the American Express 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.