BIN 401739 — Lookup & Card Details

BIN 401739 is issued by Bank Of South Pacific Tonga Limited, from Tonga, on the visa network, as a debit 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 401739, that institution is Bank Of South Pacific Tonga Limited in Tonga. The card runs on the visa network. Transactions settle in TOP.

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 401739 itself is public metadata — it identifies the issuer, not the cardholder.