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BIN 558887 – Mastercard Debit Card from County Bank

The first six digits 558887 identify a Mastercard Enhanced debit card issued by County Bank (United States). Below: card format, test numbers and related BINs.

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558887Mastercard Debit
Network
Mastercard
Type
Debit
Level
Enhanced
Issuer
County Bank
Country
United States US
Card length
16 digits
Security code
3-digit CVC2 on the back
8-digit range
55888700–55888799
Issuer phone
+18004723272
Issuer website
www.countybankonline.com

Generate test numbers with this BIN Open in BIN generator

Sample test numbers for BIN 558887 Test data

NumberExpiryCVVCopy
5588 8755 9844 889602/2028773
5588 8703 8587 633402/2028098
5588 8794 7361 441605/2031643

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 558887

In our BIN data, 558887 is a Mastercard Enhanced debit card range that belongs to County Bank, registered in the United States. Debit cards draw money directly from the cardholder's bank account, so checkouts and gateways often treat them differently from credit cards (fees, holds, recurring billing).

County Bank has fewer than ten BINs in our data, so it has no bank page.

Across the United States, the dataset counts 156,869 BINs; 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.

Mastercard number format for BIN 558887

Starts with558887 (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 as5588 8755 9844 8896

A checkout that receives a number starting with 558887 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 558887 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 558887?

BIN 558887 is registered to County Bank in the United States. The dataset lists the website www.countybankonline.com. Bank details can change after mergers or portfolio sales, so confirm with the bank for anything important.

Is 558887 a debit or a credit card BIN?

It is recorded as debit, product level Enhanced. Debit cards draw money directly from the cardholder's bank account, so checkouts and gateways often treat them differently from credit cards (fees, holds, recurring billing).

How many digits does a card with BIN 558887 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 558887?

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 County Bank, 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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