Kennitala

The kennitala (plural: kennitölur; abbreviated kt.) is a unique national identification number used by the Icelandic government to identify individuals and organisations in Iceland, administered by the National Registry (Þjóðskrá). Kennitölur are issued to Icelandic citizens at birth, and to foreign nationals resident in Iceland upon registration. They are also issued to corporations and institutions.

Read more about Kennitala:  Number Derivation, Use