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BIN 523024 – Mastercard Credit Card from Banco Nacional Ultramarino, S.A.

The first six digits 523024 identify a Mastercard Standard credit card issued by Banco Nacional Ultramarino, S.A. (Macao). Below: card format, test numbers and related BINs.

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523024Mastercard Credit
Network
Mastercard
Type
Credit
Level
Standard
Issuer
Banco Nacional Ultramarino, S.A.
Country
Macao MO
Card length
16 digits
Security code
3-digit CVC2 on the back
8-digit range
52302400–52302499
Issuer phone
+85328335533
Issuer website
www.bnu.com.mo

Generate test numbers with this BIN Open in BIN generator All BINs of this bank

Sample test numbers for BIN 523024 Test data

NumberExpiryCVVCopy
5230 2466 7466 043602/2027629
5230 2494 7283 312206/2030090
5230 2427 3392 997901/2027819

Luhn-valid numbers built from this BIN for testing forms and BIN rules. No bank issued them: they belong to no account and every real payment with them is declined.

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About BIN 523024

BIN 523024 is listed as a Mastercard Standard credit card issued by Banco Nacional Ultramarino, S.A. in Macao. Credit cards spend against a credit line that the cardholder repays later; interchange fees and fraud rules usually differ from debit cards. Standard marks an entry-level consumer product.

Banco Nacional Ultramarino, S.A. has 25 BINs in the dataset, which makes it the third-largest of 9 banks with a BIN page in Macao. The Banco Nacional Ultramarino, S.A. BIN list shows all of them with network, type and level.

Macao has 257 BINs in the dataset; among the 246 that name an issuer, the main networks are Visa (39%), UnionPay (32%), Mastercard (28%), and 28% are debit. See the Macao BIN list.

Mastercard number format for BIN 523024

Starts with523024 (the BIN). First digit 5: banking and financial
Length16 digits
Security code3-digit CVC2 on the back
Check digitThe last digit, calculated with the Luhn algorithm
Printed as5230 2466 7466 0436

When you test with this BIN, check that your form shows the Mastercard logo, groups the 16 digits correctly and rejects numbers whose check digit is wrong. The generator creates as many numbers with this BIN as you need, with expiry dates and CVVs, as CSV, JSON or XML.

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Nearby BINs

BINs just below and above 523024. Banks often hold consecutive ranges, so neighbours can be sister products of the same issuer.

More BINs from Banco Nacional Ultramarino, S.A.

All 25 BINs of Banco Nacional Ultramarino, S.A. →

Frequently asked questions

Which bank issued BIN 523024?

BIN 523024 is registered to Banco Nacional Ultramarino, S.A. in Macao. The dataset lists the website www.bnu.com.mo. Bank details can change after mergers or portfolio sales, so confirm with the bank for anything important.

Is 523024 a debit or a credit card BIN?

It is recorded as credit, product level Standard. Credit cards spend against a credit line that the cardholder repays later; interchange fees and fraud rules usually differ from debit cards.

How many digits does a card with BIN 523024 have?

Mastercard card numbers have 16 digits, and the security code is a 3-digit CVC2 on the back. The first six digits are the BIN, the last digit is the Luhn check digit, and the digits in between identify the account.

Can I generate test card numbers with BIN 523024?

Yes. Open the generator with this BIN to create Luhn-valid numbers with expiry dates and CVVs for testing forms, validation and BIN-based rules. They are test data: not issued by Banco Nacional Ultramarino, S.A., linked to no account and declined by real payment systems.

Does a BIN tell me whether a card is valid?

No. A BIN describes a range of card numbers — network, issuer, country and product — not a particular card. Whether a card exists or can be charged is known only to the issuing bank. To check the format of a full number (length and check digit), use the card validator.

A BIN identifies the card network and the issuing institution only. It reveals nothing about an individual card, cardholder or account, and it cannot show whether a card exists or can be charged. Test numbers generated from a BIN are for development and QA only and are declined by every real payment system.

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BIN data: bin-list-data by Venelin Kochev (a lite version of binlookup.io), licensed under CC BY 4.0. Changes made by Fakecreditcard: issuer, brand and country names re-cased and standardized, spelling variants of the same issuer merged, malformed phone numbers and web addresses removed.

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