BIN 373781: BANCO BRADESCO

BIN details

BIN / IIN

373781

Network

American Express

Card type

Credit

Number length

15 digits

Issuer

BANCO BRADESCO

Issuing country

🇧🇷 Brazil (BR)

Card level

Personal

Last seen in dataset

2025-02-11

Source

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

Example numbers from BIN 373781

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

• 3737 8154 7188 163
• 3737 8179 9754 522
• 3737 8111 7140 172
• 3737 8186 4762 152
• 3737 8136 1312 758

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

About BIN 373781

373781 is the first 6 digits of a American Express card number. The range is attributed to BANCO BRADESCO 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 373781?

According to the open BIN dataset, BIN 373781 is attributed to BANCO BRADESCO in Brazil. Banks rename and BIN ranges move, so treat this as a best-effort reference.

Can I use BIN 373781 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.