This site has very useful chart of the country codes. You could look up a country by code or by name. The bold codes are in alphabetical oarder. As to the bold names, they are grouped by first letter. Red means, it's obsolete or is not used as an internet country code domain. Next to each country code there are various symbols. Check it out at: http://www.visibone.com/countrycodes/
Mainly about New York and Countries of the World. Variety of information and tips