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ISO 3166-2 is part of the codes for identifying the principal subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1. The official name of the standard is Codes for the representation of names of countries and their subdivisions – Part 2: Country subdivision code. It was first published in 1998.
The purpose of ISO 3166-2 is to establish an international standard of short and unique alphanumeric codes to represent the relevant administrative divisions and dependent territories of all countries in a more convenient and less ambiguous form than their full names. Each complete ISO 3166-2 code consists of two parts, separated by a hyphen:[1]
Each complete ISO 3166-2 code can then be used to uniquely identify a country subdivision in a global context.
Currently more than 4000 codes are defined in ISO 3166-2. For some countries, codes are defined for more than one level of subdivisions.
The following table can be used to access the current ISO 3166-2 codes of each country, and comprises three columns:
For the following countries, a number of their subdivisions in ISO 3166-2, most of them dependent territories, are also officially assigned their own country codes in ISO 3166-1:
The format of the ISO 3166-2 codes is different for each country. The codes may be alphabetic, numeric, or alphanumeric, and they may also be of constant or variable length. The following is a table of the ISO 3166-2 codes of each country (those with codes defined), grouped by their format:
The ISO 3166/MA updates ISO 3166-2 when necessary. Changes in ISO 3166-2 consist mostly of spelling corrections, addition and deletion of subdivisions, and modification of the administrative structure.
ISO used to announce changes in newsletters which updated the currently valid standard, and releasing new editions which comprise a consolidation of newsletter changes. As of July 2013, changes are published in the online catalogue of ISO only and no newsletters are published anymore. Past newsletters remain available on the ISO website.[3]
Many of the lists below are based on outdated versions of ISO 3166-2 codes. For the latest version, please contact the ISO 3166/MA.
Amsterdam, Belgium, Germany, United Kingdom, European Union
San Juan, Puerto Rico, Ponce, Puerto Rico, Spanish language, Colombia, Mexico
Kaohsiung, China, Taipei, Philippines, South Korea
United Kingdom, European Union, Italy, Canada, Spain
Germany, Deutsches Institut für Normung, Berlin, Iso 15924, Prolog
United Kingdom, French language, Spanish language, France, United Nations
Germany, Afghanistan, Kiribati, Somalia, Netherlands
Antarctica, Belarus, Serbia and Montenegro, East Timor, Germany