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BIN 512554 – Mastercard Credit Card from Banco Mare Nostrum, S.A.

The first six digits 512554 identify a Mastercard Standard credit card issued by Banco Mare Nostrum, S.A. (Spain). Below: card format, test numbers and related BINs.

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512554Mastercard Credit
Network
Mastercard
Type
Credit
Level
Standard
Issuer
Banco Mare Nostrum, S.A.
Country
Spain ES
Card length
16 digits
Security code
3-digit CVC2 on the back
8-digit range
51255400–51255499
Issuer phone
+34971408627
Issuer website
www.sanostra.es

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

Sample test numbers for BIN 512554 Test data

NumberExpiryCVVCopy
5125 5437 9266 487012/2031331
5125 5469 6145 493204/2028212
5125 5474 3103 625903/2027069

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 512554

In our BIN data, 512554 is a Mastercard Standard credit card range that belongs to Banco Mare Nostrum, S.A., registered in Spain. 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.

With 19 BINs, Banco Mare Nostrum, S.A. ranks 33rd among the 57 banks we list for Spain. The Banco Mare Nostrum, S.A. BIN list shows all of them with network, type and level.

Across Spain, the dataset counts 4,135 BINs; among the 3,129 that name an issuer, the main networks are Visa (57%), Mastercard (22%), Maestro (9%), and 37% are debit. See the Spain BIN list or the Spain card generator.

Mastercard number format for BIN 512554

Starts with512554 (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 as5125 5437 9266 4870

A checkout that receives a number starting with 512554 should detect Mastercard, expect 16 digits and ask for a 3-digit security code. 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

The BINs closest to 512554 in our data. Neighbouring ranges often belong to the same bank, but not always — each range is assigned separately.

More BINs from Banco Mare Nostrum, S.A.

All 19 BINs of Banco Mare Nostrum, S.A. →

Frequently asked questions

Which bank issued BIN 512554?

BIN 512554 is registered to Banco Mare Nostrum, S.A. in Spain. The dataset lists the website www.sanostra.es. Bank details can change after mergers or portfolio sales, so confirm with the bank for anything important.

Is 512554 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 512554 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 512554?

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 Mare Nostrum, 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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