BIN 421475
SOUTHEAST BANK, LTD. • BANGLADESH • VISA
About BIN 421475
BIN 421475 is a VISA credit card operating on the SIGNATURE payment network, issued by SOUTHEAST BANK, LTD. in BANGLADESH (BD). 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 421475?
A Bank Identification Number (BIN), also called an Issuer Identification Number (IIN), is the first 6–8 digits of a payment card. BIN 421475 identifies SOUTHEAST BANK, 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 421475?
BIN 421475 was issued by SOUTHEAST BANK, LTD., a financial institution operating in BANGLADESH.
In which country is BIN 421475 registered?
BIN 421475 is registered in BANGLADESH (country code: BD). The issuing bank, SOUTHEAST BANK, LTD., holds the licence to issue cards under this BIN range in BANGLADESH. Transactions on these cards typically involve BANGLADESH-based banking and settlement infrastructure.
Is BIN 421475 a credit, debit, or prepaid card?
BIN 421475 belongs to the credit 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 421475 use?
BIN 421475 operates on the VISA payment network using the SIGNATURE card scheme. This means all transactions made with cards carrying this BIN are routed and processed through VISA's global payment infrastructure.
What currency is associated with BIN 421475?
The primary currency associated with BIN 421475 is Unknown. This is the currency in which domestic transactions are typically billed for cards under this BIN range when used in BANGLADESH. International transactions may involve currency conversion depending on the merchant's country.
Does BIN 421475 pass the Luhn check?
Yes — card numbers beginning with BIN 421475 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.
