International Securities Identification Number. A unique international code which identifies a securities issue. Each country has a national numbering agency which assigns ISIN numbers for securities in that country.

Use ISIN in a sentence

You may want to keep your ISIN safely hidden away so that no one else finds it out and uses your identity.

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I did not know the Isin and that was an important thing for me to know, because it would help with business.

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The threat level of a particular person or event should be high enough for a particular country for an ISIN to be issued or assigned.

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