BIN 621232
BANCO NACIONAL ULTRAMARINO, S.A. • MACAU • CHINA UNION PAY
About BIN 621232
BIN 621232 is a CHINA UNION PAY debit card operating on the Unknown payment network, issued by BANCO NACIONAL ULTRAMARINO, S.A. in MACAU (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 621232?
A Bank Identification Number (BIN), also called an Issuer Identification Number (IIN), is the first 6–8 digits of a payment card. BIN 621232 identifies BANCO NACIONAL ULTRAMARINO, S.A. 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 621232?
BIN 621232 was issued by BANCO NACIONAL ULTRAMARINO, S.A., a financial institution operating in MACAU. You may reach them by phone at +85328335533. Their official website is http://www.bnu.com.mo.
In which country is BIN 621232 registered?
BIN 621232 is registered in MACAU (country code: MO). The issuing bank, BANCO NACIONAL ULTRAMARINO, S.A., holds the licence to issue cards under this BIN range in MACAU. Transactions on these cards typically involve MACAU-based banking and settlement infrastructure.
Is BIN 621232 a credit, debit, or prepaid card?
BIN 621232 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 621232 use?
BIN 621232 operates on the CHINA UNION PAY payment network using the Unknown 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 621232?
The primary currency associated with BIN 621232 is Unknown. This is the currency in which domestic transactions are typically billed for cards under this BIN range when used in MACAU. International transactions may involve currency conversion depending on the merchant's country.
Does BIN 621232 pass the Luhn check?
Yes — card numbers beginning with BIN 621232 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.
