ISO 3166

"Geographic code" redirects here. It is not to be confused with Geographic coding.

ISO 3166 is a standard published by the International Organization for Standardization (ISO) that defines codes for the names of countries, dependent territories, special areas of geographical interest, and their principal subdivisions (e.g., provinces or states). The official name of the standard is Codes for the representation of names of countries and their subdivisions.


It consists of three parts:[1]


The first edition of ISO 3166 was published in 1974, which included only alphabetic country codes. The second edition, published in 1981, also included numeric country codes, with the third and fourth editions published in 1988 and 1993 respectively. The fifth edition, published between 1997 and 1999, was expanded into three parts to include codes for subdivisions and former countries.[2]

ISO 3166 Maintenance Agency

The ISO 3166 standard is maintained by the ISO 3166 Maintenance Agency (ISO 3166/MA), located at the ISO central office in Geneva, Switzerland. Originally it was located at the Deutsches Institut für Normung (DIN) in Berlin, Germany. Its principal tasks are:[3]


There are ten experts with voting rights on the ISO 3166/MA.[4] Five are representatives of national standards organizations:

The other five are representatives of major United Nations agencies or other international organizations who are all users of ISO 3166-1:

The ISO 3166/MA has further associated members who do not participate in the votes but who, through their expertise, have significant influence on the decision-taking procedure in the maintenance agency.

See also


  1. "What is ISO 3166?". International Organization for Standardization (ISO).
  2. "Development of ISO 3166". ISO.
  3. "Tasks of ISO 3166/MA". ISO.
  4. "Members of ISO 3166/MA". ISO.

External links

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