In addition to the full three levels for the European Union countries , all other countries have a NUTS code with a two-letter code for a continent and two numbers for the country , and for the USA , Canada and Australia the states , provinces , and territories are numbered separately .
In addition to the full three levels for the European Union countries , all countries have a NUTS code with a two-letter code for a continent and two numbers for the country , and for the USA , Canada and Australia the states , provinces , and territories are numbered separately .