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BIN 423971 – Visa Credit Card from Card Services for Credit Unions

The first six digits 423971 identify a Visa Gold credit card issued by Card Services for Credit Unions (United States). Below: card format, test numbers and related BINs.

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423971Visa Credit
Network
Visa
Type
Credit
Level
Gold
Issuer
Card Services for Credit Unions
Country
United States US
Card length
16 digits (13 and 19 also allowed)
Security code
3-digit CVV2 on the back
8-digit range
42397100–42397199
Issuer phone
+17275366800
Issuer website
www.cscu.net

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

Sample test numbers for BIN 423971 Test data

NumberExpiryCVVCopy
4239 7161 2069 401910/2029525
4239 7106 4945 386612/2031013
4239 7124 2767 572804/2031503

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 423971

BIN 423971 is listed as a Visa Gold credit card issued by Card Services for Credit Unions in the United States. Credit cards spend against a credit line that the cardholder repays later; interchange fees and fraud rules usually differ from debit cards. Gold is a mid-tier product between the entry level (Classic or Standard) and premium tiers such as Platinum.

Card Services for Credit Unions has 1,297 BINs in the dataset, which makes it 7th of 775 banks with a BIN page in the United States. The Card Services for Credit Unions BIN list shows all of them with network, type and level.

The United States has 156,869 BINs in the dataset; among the 73,133 that name an issuer, the main networks are Visa (50%), Mastercard (22%), Discover (17%), and 46% are debit. See the United States BIN list or the United States card generator.

Visa number format for BIN 423971

Starts with423971 (the BIN). First digit 4: banking and financial
Length16 digits (13 and 19 also allowed)
Security code3-digit CVV2 on the back
Check digitThe last digit, calculated with the Luhn algorithm
Printed as4239 7161 2069 4019

When you test with this BIN, check that your form shows the Visa 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 423971. Banks often hold consecutive ranges, so neighbours can be sister products of the same issuer.

More BINs from Card Services for Credit Unions

All 1,297 BINs of Card Services for Credit Unions →

Frequently asked questions

Which bank issued BIN 423971?

BIN 423971 is registered to Card Services for Credit Unions in the United States. The dataset lists the website www.cscu.net. Bank details can change after mergers or portfolio sales, so confirm with the bank for anything important.

Is 423971 a debit or a credit card BIN?

It is recorded as credit, product level Gold. 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 423971 have?

Visa card numbers have 16 digits (13 and 19 also allowed), and the security code is a 3-digit CVV2 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 423971?

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 Card Services for Credit Unions, 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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