Country code

Country codes are short alphabetic or numeric geographical codes (geocodes) developed to represent countries and dependent areas, for use in data processing and communications. Several different systems have been developed to do this. The term country code frequently refers to international dialing codes, the E.164 country calling codes.

This standard defines for most of the countries and dependent areas in the world:

The two-letter codes are used as the basis for some other codes or applications, for example,

For more applications see ISO 3166-1 alpha-2.

The developers of ISO 3166 intended that in time it would replace other coding systems in existence.

The following can represent countries:

A - B - C - D–E - F - G - H–I - J–K - L - M - N - O–Q - R - S - T - U–Z