BIN 223257: ITAU UNIBANCO, S.A.

BIN details

BIN / IIN

223257

Network

Mastercard

Card type

Credit

Number length

16 digits

Issuer

ITAU UNIBANCO, S.A.

Issuing country

🇧🇷 Brazil (BR)

Card level

Platinum

Last seen in dataset

2025-02-11

Source

Open BIN dataset (binlist.io / Techbuddie Solutions, CC BY 4.0)

Example numbers from BIN 223257

These examples were generated with the Luhn algorithm. They are structurally valid but have no balance and cannot be charged.

• 2232 5752 8554 2806
• 2232 5794 9871 7403
• 2232 5705 5094 7764
• 2232 5781 1674 5580
• 2232 5792 1386 8903

Use the generator above for a fresh set, or to create cards in bulk.

About BIN 223257

223257 is the first 6 digits of a Mastercard card number. The range is attributed to ITAU UNIBANCO, S.A. in Brazil. The BIN (Bank Identification Number), formally called the IIN (Issuer Identification Number), tells payment systems which network and institution a card belongs to.

Issuer BIN ranges are reassigned over time, so always confirm critical decisions with the card network or your acquirer. Want to classify another prefix? Use the BIN checker. Looking for provider-specific test numbers? See the test card numbers reference. Need to validate a full number? Try the Luhn validator.

FAQ

Which bank issued BIN 223257?

According to the open BIN dataset, BIN 223257 is attributed to ITAU UNIBANCO, S.A. in Brazil. Banks rename and BIN ranges move, so treat this as a best-effort reference.

Can I use BIN 223257 for real payments?

No. These numbers are for testing only. They have no balance and cannot be charged. Attempting real transactions with numbers you do not own is illegal.

Do the generated numbers pass Luhn validation?

Yes. Every number is generated with a valid check digit, so it passes the Luhn (MOD 10) check — exactly like a real card number would.

Will my gateway accept these numbers?

In test mode, gateways typically accept only their own documented test numbers. Generated numbers are best for validating formatting, Luhn checks, storage and UI behaviour.