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First Niagara Credit Card IIN List

First Niagara issues credit and debit cards in United States under a total of four different Issuer Identification Numbers, or IINs (also called bank identification numbers, or BINs). For banks with multiple IINs, cards of the same type or within the same region will generally be issued under the same IIN. The IIN makes up the first six digits of all credit or debit cards issued by First Niagara, followed by the primary account number (PAN) and a check digit.

Issuer Identification Number (IIN) Card Number Format Type of Card Country Issued
First Niagara Mastercard Card 533355 5333 55XX XXXX XXXX DEBIT United States
First Niagara Mastercard Card 552437 5524 37XX XXXX XXXX CREDIT United States
First Niagara Mastercard Card 533355 5333 55XX XXXX XXXX DEBIT United States
First Niagara Mastercard Card 552437 5524 37XX XXXX XXXX CREDIT United States

For more information, contact First Niagara at (800) 421-0004 .

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Source: http://www.creditcardvalidator.org/first-niagara