BIN 520003 — Lookup & Card Details

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Check bank, country, card type, and issuer information for BIN 520003.

What is BIN 520003?

BIN 520003 is on the Mastercard network.

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. The card runs on the Mastercard network.

Mastercard is a global network whose BINs fall in the 51–55 and 2221–2720 ranges, accepted at merchants worldwide.

Payment processors read these digits on every transaction: they drive routing decisions, currency handling at checkout, fraud scoring and card-product acceptance rules. BIN 520003 carries no personal information: it maps to an issuing institution and card program, never to an individual account or person.

mastercard

BIN 520003, digit by digit

Each position in a BIN carries defined meaning under ISO/IEC 7812. Here is how the 6 digits of 520003 break down.

5Major Industry Identifier — Banking & financial (Mastercard, Maestro)

2Issuer range digit 2 of the 6-digit prefix

0Issuer range digit 3 of the 6-digit prefix

0Issuer range digit 4 of the 6-digit prefix

0Issuer range digit 5 of the 6-digit prefix

3Issuer range digit 6 of the 6-digit prefix

BIN 520003 — frequently asked questions

Which bank issued BIN 520003?

The live registry lookup doesn't currently return a bank name for BIN 520003. The prefix resolves to the Mastercard network, and issuer details may appear as registries update — newly issued and virtual ranges often lag.

What card network does BIN 520003 run on?

BIN 520003 runs on the Mastercard network. Mastercard is a global network whose BINs fall in the 51–55 and 2221–2720 ranges, accepted at merchants worldwide.

Is it legal to look up BIN 520003?

Yes. BIN 520003 is public infrastructure data under the ISO/IEC 7812 standard — it identifies the issuing program, not any cardholder. No personal or account data is involved in a BIN lookup.

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Related BIN ranges

Browse neighboring BINs — useful when pinpointing a card range.

Lower BINs

519993 519994 519995 519996

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