ISO 3166-1 country code

The ISO 3166-1 standard defines three types of codes to identify a country, or similar geographic division.

Two-letter country code
Examples of two-letter country codes are "US" for the United States, "UY" for Uruguay, and "UZ" for Uzbekistan.

One use of two-letter country codes is as top level domain names.


 * ISO 3166-1 alpha-2

Three-letter country code
Examples are "USA" for the United States, "URY" for Uruguay, and "UZB" for Uzbekistan.


 * ISO 3166-1 alpha-3

Numeric country code
Numeric codes have three digits, including leading zeroes.

Examples are 840 for the United States, 858 for Uruguay, and 860 for Uzbekistan.


 * ISO 3166-1 numeric

Links

 * ISO 3166-1