ISO 3166-1 alpha-3
ISO 3166-1 alpha-3 codes are three-letter country codes in the ISO 3166-1 standard to represent countries and dependent territories. They are published by the International Organization for Standardization (ISO) as part of its ISO 3166 standard. They were first included as part of the ISO 3166 standard in its first edition in 1974.
They are used in ISO/IEC 7501-1 for machine-readable passports, with a number of additional codes for special nationality status. For these additional codes, see the section Codes currently agreed not to use.
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Current codes
Officially assigned code elements
Below is a complete list of the current officially assigned ISO 3166-1 alpha-3 codes, with country names being English short country names officially used by the ISO 3166 Maintenance Agency (ISO 3166/MA):
User-assigned code elements
The following alpha-3 codes can be user-assigned: from AAA to AAZ, from QMA to QZZ, from XAA to XZZ, and from ZZA to ZZZ. These code elements are at the disposal of users who need to add further names of countries, territories or other geographical entities to their in-house application of ISO 3166-1, and the ISO 3166/MA will never use them in the updating process of the standard.
Reserved code elements
Reserved code elements are codes which have recently become obsolete, or are in use for some applications in conjunction with the official ISO 3166-1 codes. The ISO 3166/MA therefore reserves them, so that they are not used for new official codes during a limited or indeterminate period of time, thereby avoiding any transitional problems or conflicts between the ISO 3166-1 standard and those applications. The list of ISO 3166-1 alpha-3 reserved code elements is divided into the following four categories.
Exceptional reservations
Exceptionally reserved code elements are reserved permanently at the request of national ISO member bodies, governments and international organizations because they are needed for particular purposes. ISO 3166/MA only authorizes their use for the particular purpose for which they were established. The following alpha-3 codes are subject to an exceptional reservation:
- ASC – Ascension Island — Reserved on request of UPU, also used by ITU
- CPT – Clipperton Island — Reserved on request of ITU
- DGA – Diego Garcia — Reserved on request of ITU
- FXX – France, Metropolitan — Reserved on request of France
- SUN – U.S.S.R.
- TAA – Tristan da Cunha — Reserved on request of UPU
The following three codes were also under exceptional reservation, until the update from 2006-03-29 included them in the standard as official codes:
- GGY – Guernsey — Reserved on request of UPU
- IMN – Isle of Man — Reserved on request of UPU
- JEY – Jersey — Reserved on request of UPU
Transitional reservations
Transitional reserved code elements are codes which were withdrawn from ISO 3166-1, but maintained during a transitional period (usually for at least five years) while new code elements that may have replaced them are taken into use, for the sake of users who still need to refer to the former entity or whose systems have not yet been updated to refer to the new code. The following alpha-3 codes are subject to a transitional reservation:
- BUR – Burma
- BYS – Byelorussian S.S.R.
- NTZ – Neutral Zone
- ROM – Romania — Now uses ROU
- SCG – Serbia and Montenegro
- TMP – East Timor
- YUG – Yugoslavia
- ZAR – Zaire
Indeterminate reservations
Indeterminately reserved code elements are code elements used to identify vehicles under the 1949 and 1968 United Nations Road Traffic Conventions. These codes differ from those used in ISO 3166-1. The ISO 3166/MA hopes that these codes will eventually be phased out and that ISO 3166-1 codes will be used instead; but in the meantime they are reserved, to avoid conflicts between ISO 3166-1 and the Conventions, and to facilitate any transition from the Convention codes to ISO 3166-1 codes. However, they can be reassigned at any time by the ISO 3166/MA. The following alpha-3 codes are subject to an indeterminate reservation:
- ADN – Aden
- BDS – Barbados
- BRU – Brunei
- CDN – Canada
- EAK – Kenya
- EAT – Tanganyika
- EAU – Uganda
- EAZ – Zanzibar
- GBA – Alderney
- GBG – Guernsey
- GBJ – Jersey
- GBM – Isle of Man
- GBZ – Gibraltar
- GCA – Guatemala
- HKJ – Jordan
- MAL – Malaysia
- RCA – Central African Republic
- RCB – Republic of the Congo (Brazzaville)
- RCH – Chile
- RMM – Mali
- RNR – Northern Rhodesia
- ROK – Republic of Korea
- RSM – San Marino
- RSR – Southern Rhodesia
- SLO – Slovenia
- SME – Suriname
- TMN – Turkmenistan
- WAG – Gambia
- WAL – Sierra Leone
- ZRE – Zaire
The following code has been reassigned (and thus are no longer indeterminately reserved):
Codes currently agreed not to use
In addition, the ISO 3166/MA has undertaken, for the time being, not to use the following alpha-3 codes from ISO/IEC 7501-1, used for machine readable passports. However, this undertaking is not classified as a transitional, indeterminate or transitional reservation, since these codes refer to special nationality status, instead of countries, dependent areas or other geographic regions or localities:
- GBD – British Dependent Territories Citizen
- GBN – British National (Overseas)
- GBO – British Overseas Citizen
- GBP – British Protected Person
- GBS – British Subject
- UNA – United Nations Specialized Agency Official
- UNK – Kosovo resident, issued travel document by UNMIK
- UNO – United Nations Official
Other withdrawn codes
Besides the codes currently transitionally reserved, and FXX and SUN (both exceptionally reserved), these alpha-3 codes have also been withdrawn from ISO 3166-1:
- AFI – French Afar and Issas
- ATB – British Antarctic Territory
- ATN – Dronning Maud Land
- CSK – Czechoslovakia
- CTE – Canton and Enderbury Islands
- DDR – German Democratic Republic
- DHY – Dahomey
- GEL – Gilbert and Ellice Islands
- HVO – Upper Volta
- JTN – Johnston Island
- MID – Midway Islands
- NHB – New Hebrides
- PCI – Pacific Islands, Trust Territory of the
- PCZ – Panama Canal Zone
- PHI – Philippines — Now uses PHL
- PUS – U.S. Miscellaneous Pacific Islands
- RHO – Southern Rhodesia
- SKM – Sikkim
- VDR – Viet-Nam, Democratic Republic of
- WAK – Wake Island
- YMD – Yemen, Democratic
See also
- List of IOC country codes, slightly different codes used by the International Olympic Committee
- List of FIFA country codes, slightly different codes used by FIFA
- Comparison of IOC, FIFA, and ISO 3166 country codes
Sources and external links
- International Organization for Standardization (ISO): ISO 3166 Maintenance Agency
- United Nations Statistics Division, Standard Country or Area Codes for Statistical Use
- CIA World Factbook, Appendix D – Cross-Reference List of Country Data Codes (public domain)
- Statoids, Country codes
- Country codes in ISO 3166 (outdated, include withdrawn codes)
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