4 ms·

Credit card numbers contain a unique ID for the issuer: http://en.wikipedia.org/wiki/Bank_card_number#Major_Industry_Identifier_.28MII.29 http://en.wikipedia.or

by saryant 12y ago

Credit card numbers contain a unique ID for the issuer: http://en.wikipedia.org/wiki/Bank_card_number#Major_Industry_Identifier_.28MII.29 http://en.wikipedia.org/wiki/Bank_card_number#Major_Industry...