BIN 400190 — Lookup & Card Details

BIN 400190 is issued by Banco Santander Totta S.A., from Portugal, on the visa network, as a credit card.

A Bank Identification Number (BIN, or Issuer Identification Number / IIN) is the first 6 to 8 digits of any payment card. It tells the payment network which institution issued the card, what kind of card it is, and where it was issued. For BIN 400190, that institution is Banco Santander Totta S.A. in Portugal. The card runs on the visa network. Transactions settle in EUR.

Merchants, fraud teams, ad platforms and developers use BIN data to route transactions, localize checkout, detect chargebacks and decide which card products they accept. BIN 400190 itself is public metadata — it identifies the issuer, not the cardholder.