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BIN 555604 – Mastercard Credit Card from Aion, S.A.

The first six digits 555604 identify a Mastercard Business credit card issued by Aion, S.A. (Germany). Below: card format, test numbers and related BINs.

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555604Mastercard Credit
Network
Mastercard
Type
Credit
Level
Business
Issuer
Aion, S.A.
Country
Germany DE
Card length
16 digits
Security code
3-digit CVC2 on the back
8-digit range
55560400–55560499

Generate test numbers with this BIN Open in BIN generator

Sample test numbers for BIN 555604 Test data

NumberExpiryCVVCopy
5556 0451 0708 971807/2031029
5556 0424 6602 206707/2031113
5556 0498 3803 548703/2027638

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 555604

BIN 555604 is listed as a Mastercard Business credit card issued by Aion, S.A. in Germany. Credit cards spend against a credit line that the cardholder repays later; interchange fees and fraud rules usually differ from debit cards. Business, corporate and commercial products are issued to companies for company spending and often carry different interchange fees from consumer cards.

Aion, S.A. has fewer than ten BINs in our data, so it has no bank page; 2 BINs starting with 555 belong to it.

Germany has 4,734 BINs in the dataset; among the 2,970 that name an issuer, the main networks are Maestro (35%), Visa (26%), Mastercard (18%), and 53% are debit. See the Germany BIN list or the Germany card generator.

Mastercard number format for BIN 555604

Starts with555604 (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 as5556 0451 0708 9718

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 555604. Banks often hold consecutive ranges, so neighbours can be sister products of the same issuer.

More BINs from Aion, S.A.

Frequently asked questions

Which bank issued BIN 555604?

BIN 555604 is registered to Aion, S.A. in Germany. Bank details can change after mergers or portfolio sales, so confirm with the bank for anything important.

Is 555604 a debit or a credit card BIN?

It is recorded as credit, product level Business. 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 555604 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 555604?

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 Aion, 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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