The first six digits, including the major industry identifier, compose the issuer identifier number (IIN) which identifies the issuing organization. The IINS was previously called the "bank identification number" (BIN) and some places still use that term.
Read more about this topic: ISO/IEC 7812
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“... in every State there are more women who can read and write than the whole number of illiterate male voters; more white women who can read and write than all Negro voters; more American women who can read and write than all foreign voters.”
—National Woman Suffrage Association. As quoted in History of Woman Suffrage, vol. 4, ch. 13, by Susan B. Anthony and Ida Husted Harper (1902)