FakecreditcardAbout BIN 526257
In our BIN data, 526257 is a Mastercard Black credit card range that belongs to Cooperativa de Ahorro y Credito Oscus Ltda, registered in Ecuador. Credit cards spend against a credit line that the cardholder repays later; interchange fees and fraud rules usually differ from debit cards.
Cooperativa de Ahorro y Credito Oscus Ltda has fewer than ten BINs in our data, so it has no bank page.
Across Ecuador, the dataset counts 678 BINs; among the 653 that name an issuer, the main networks are Visa (37%), Mastercard (28%), UATP (15%), and 22% are debit. See the Ecuador BIN list.
Mastercard number format for BIN 526257
| Starts with | 526257 (the BIN). First digit 5: banking and financial |
|---|---|
| Length | 16 digits |
| Security code | 3-digit CVC2 on the back |
| Check digit | The last digit, calculated with the Luhn algorithm |
| Printed as | 5262 5766 0480 1218 |
A checkout that receives a number starting with 526257 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.
Nearby BINs
The BINs closest to 526257 in our data. Neighbouring ranges often belong to the same bank, but not always — each range is assigned separately.
Frequently asked questions
Which bank issued BIN 526257?
BIN 526257 is registered to Cooperativa de Ahorro y Credito Oscus Ltda in Ecuador. Bank details can change after mergers or portfolio sales, so confirm with the bank for anything important.
Is 526257 a debit or a credit card BIN?
It is recorded as credit, product level Black. 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 526257 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 526257?
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 Cooperativa de Ahorro y Credito Oscus Ltda, 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.