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POSB Credit Card IIN List

POSB issues credit and debit cards in Singapore under a total of six 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 POSB, followed by the primary account number (PAN) and a check digit.

Issuer Identification Number (IIN) Card Number Format Type of Card Country Issued
POSB Mastercard Card 526471 5264 71XX XXXX XXXX DEBIT Singapore
POSB Mastercard Card 552038 5520 38XX XXXX XXXX CREDIT Singapore
POSB Mastercard Card 554827 5548 27XX XXXX XXXX DEBIT Singapore
POSB Mastercard Card 526471 5264 71XX XXXX XXXX DEBIT Singapore
POSB Mastercard Card 552038 5520 38XX XXXX XXXX CREDIT Singapore
POSB Mastercard Card 554827 5548 27XX XXXX XXXX DEBIT Singapore

For more information, contact POSB at (656) 339-6666 .

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Source: http://www.creditcardvalidator.org/posb