BIN 621084
CHINA CONSTRUCTION BANK (MACAU) CO.LTD. • MACAO • CHINA UNION PAY
About BIN 621084
BIN 621084 is a CHINA UNION PAY debit card operating on the PERSONAL payment network, issued by CHINA CONSTRUCTION BANK (MACAU) CO.LTD. in MACAO (MO). The default settlement currency for this card is Unknown. This is not a prepaid card — it is linked to a standard bank account or credit facility. Card numbers beginning with this BIN pass the Luhn algorithm validation, confirming they are structurally valid card numbers.
Frequently Asked Questions
What is BIN 621084?
A Bank Identification Number (BIN), also called an Issuer Identification Number (IIN), is the first 6–8 digits of a payment card. BIN 621084 identifies CHINA CONSTRUCTION BANK (MACAU) CO.LTD. as the issuing institution for cards carrying this prefix. These digits tell payment processors which bank issued the card before the full transaction is initiated.
Which bank issued BIN 621084?
BIN 621084 was issued by CHINA CONSTRUCTION BANK (MACAU) CO.LTD., a financial institution operating in MACAO.
In which country is BIN 621084 registered?
BIN 621084 is registered in MACAO (country code: MO). The issuing bank, CHINA CONSTRUCTION BANK (MACAU) CO.LTD., holds the licence to issue cards under this BIN range in MACAO. Transactions on these cards typically involve MACAO-based banking and settlement infrastructure.
Is BIN 621084 a credit, debit, or prepaid card?
BIN 621084 belongs to the debit card category. This is not a prepaid card, so it is linked to a standard bank account or approved credit facility.
What payment network does BIN 621084 use?
BIN 621084 operates on the CHINA UNION PAY payment network using the PERSONAL card scheme. This means all transactions made with cards carrying this BIN are routed and processed through CHINA UNION PAY's global payment infrastructure.
What currency is associated with BIN 621084?
The primary currency associated with BIN 621084 is Unknown. This is the currency in which domestic transactions are typically billed for cards under this BIN range when used in MACAO. International transactions may involve currency conversion depending on the merchant's country.
Does BIN 621084 pass the Luhn check?
Yes — card numbers beginning with BIN 621084 pass the Luhn algorithm. The Luhn algorithm is a standard checksum formula used by payment systems to detect miskeyed or structurally invalid card numbers. A passing result confirms the number range is mathematically valid.
