BIN 377688
3776 8869 8425 581
BIN 377688 is the Issuer Identification Number (IIN) at the start of a card number. It is issued on the American Express network as a debit card at the Prepaid Anonymous level. The issuing bank is 33 Finance Services, Ltd., based in Hong Kong. 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 377688 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 1,721 BIN ranges issued in Hong Kong. See the Hong Kong BIN list with its banks, card schemes and card types.
Other BINs from 33 Finance Services, Ltd.
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Open BIN Lookup →Frequently asked questions
What bank issued BIN 377688?
BIN 377688 belongs to 33 Finance Services, Ltd. in Hong Kong. A BIN identifies the issuing bank and card range — never an individual account or cardholder.
Is BIN 377688 a credit or debit card?
It is a debit 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.