FakecreditcardAbout BIN 521772
In our BIN data, 521772 is a Mastercard Black credit card range that belongs to Asociacion Cooperativa de Ahorro y Credito del Colegio Medico de el SA, registered in El Salvador. Credit cards spend against a credit line that the cardholder repays later; interchange fees and fraud rules usually differ from debit cards.
With 27 BINs, Asociacion Cooperativa de Ahorro y Credito del Colegio Medico de el SA ranks 5th among the 10 banks we list for El Salvador. The Asociacion Cooperativa de Ahorro y Credito del Colegio Medico de el SA BIN list shows all of them with network, type and level.
Across El Salvador, the dataset counts 373 BINs; among the 355 that name an issuer, the main networks are Visa (60%), Mastercard (36%), American Express (2%), and 35% are debit. See the El Salvador BIN list.
Mastercard number format for BIN 521772
| Starts with | 521772 (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 | 5217 7241 2032 1479 |
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.
Nearby BINs
BINs just below and above 521772. Banks often hold consecutive ranges, so neighbours can be sister products of the same issuer.
More BINs from Asociacion Cooperativa de Ahorro y Credito del Colegio Medico de el SA
All 27 BINs of Asociacion Cooperativa de Ahorro y Credito del Colegio Medico de el SA →
Frequently asked questions
Which bank issued BIN 521772?
BIN 521772 is registered to Asociacion Cooperativa de Ahorro y Credito del Colegio Medico de el SA in El Salvador. Bank details can change after mergers or portfolio sales, so confirm with the bank for anything important.
Is 521772 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 521772 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 521772?
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 Asociacion Cooperativa de Ahorro y Credito del Colegio Medico de el SA, 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.