BIN 521025
SANTANDER BANK POLSKA • POLAND • MASTERCARD
About BIN 521025
BIN 521025 is a MASTERCARD debit card operating on the Unknown payment network, issued by SANTANDER BANK POLSKA in POLAND (PL). 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 521025?
A Bank Identification Number (BIN), also called an Issuer Identification Number (IIN), is the first 6–8 digits of a payment card. BIN 521025 identifies SANTANDER BANK POLSKA 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 521025?
BIN 521025 was issued by SANTANDER BANK POLSKA, a financial institution operating in POLAND. You may reach them by phone at +48618119999. Their official website is https://www.santander.pl.
In which country is BIN 521025 registered?
BIN 521025 is registered in POLAND (country code: PL). The issuing bank, SANTANDER BANK POLSKA, holds the licence to issue cards under this BIN range in POLAND. Transactions on these cards typically involve POLAND-based banking and settlement infrastructure.
Is BIN 521025 a credit, debit, or prepaid card?
BIN 521025 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 521025 use?
BIN 521025 operates on the MASTERCARD payment network using the Unknown card scheme. This means all transactions made with cards carrying this BIN are routed and processed through MASTERCARD's global payment infrastructure.
What currency is associated with BIN 521025?
The primary currency associated with BIN 521025 is Unknown. This is the currency in which domestic transactions are typically billed for cards under this BIN range when used in POLAND. International transactions may involve currency conversion depending on the merchant's country.
Does BIN 521025 pass the Luhn check?
Yes — card numbers beginning with BIN 521025 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.
