BIN 403703: BANCO NACIONAL DE MEXICO, S.A.

BIN details

BIN / IIN

403703

Network

Visa

Card type

Debit

Number length

16 digits

Issuer

BANCO NACIONAL DE MEXICO, S.A.

Issuing country

🇲🇽 Mexico (MX)

Card level

Classic

Last seen in dataset

2025-02-11

Source

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

Example numbers from BIN 403703

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

• 4037 0319 1116 9476
• 4037 0342 6694 4584
• 4037 0357 0556 8603
• 4037 0335 1299 4666
• 4037 0344 1474 0207

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

About BIN 403703

403703 is the first 6 digits of a Visa card number. The range is attributed to BANCO NACIONAL DE MEXICO, S.A. in Mexico. 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 403703?

According to the open BIN dataset, BIN 403703 is attributed to BANCO NACIONAL DE MEXICO, S.A. in Mexico. Banks rename and BIN ranges move, so treat this as a best-effort reference.

Can I use BIN 403703 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.