ISO 3166-1 alpha-2

Uses and applications

The ISO 3166-1 alpha-2 codes are used in different environments and are also part of other standards. In some cases they are not perfectly implemented.

Perfect implementations

The ISO 3166-1 alpha-2 codes are used in the following standards:

Imperfect implementations

Starting in 1985, ISO 3166-1 alpha-2 codes have been used in the Domain Name System as country code top-level domains (ccTLDs). The Internet Assigned Numbers Authority currently assigns the ccTLDs mostly following the alpha-2 codes, but with a few exceptions. For example, the United Kingdom, whose alpha-2 code is , uses .uk instead of .gb as its ccTLD, as is currently exceptionally reserved in ISO 3166-1 at the request of the United Kingdom.

The WIPO coding standard ST.3 is based on ISO 3166-1 alpha-2 codes, but includes a number of additional codes for international intellectual property organizations, which are currently reserved and not used at the present stage in ISO 3166-1.

The European Commission generally uses ISO 3166-1 alpha-2 codes with two exceptions: (not ) is used to represent Greece, and (not ) is used to represent the United Kingdom. This notwithstanding, the Official Journal of the European Communities specified that and be used to represent Greece and United Kingdom respectively. For VAT administration purposes, the European Commission uses and for Greece and the United Kingdom respectively.

The United Nations uses a combination of ISO 3166-1 alpha-2 and alpha-3 codes, along with codes that pre-date the creation of ISO 3166, for international vehicle registration codes, which are codes used to identify the issuing country of a vehicle registration plate; some of these codes are currently indeterminately reserved in ISO 3166-1.

IETF language tags (conforming to the BCP 47 standard track and maintained in an IANA registry) are also partially derived from ISO 3166-1 alpha-2 codes (for the region subtags). The full list of ISO 3166-1 codes assigned to countries and territories are usable as region subtags. Also, the "exceptionally reserved" alpha-2 codes defined in ISO 3166-1 (with the exception of ) are also usable as region subtags for language tags. However, newer stability policies (agreed with ISO) have been implemented to avoid deleting subtags that have been withdrawn in ISO 3166-1; instead they are kept and aliased to the new preferred subtags, or kept as subtags grouping several countries. Some other region grouping subtags are derived from other standards. Under the newer stability policies, old assigned codes that have been withdrawn from ISO 3166-1 should no longer be reassigned to another country or territory (as has occurred in the past for "CS").

Current codes

Decoding table

The following is a colour-coded decoding table of all 676 ISO 3166-1 alpha-2 codes.

Officially assigned code elements

The following is a complete list of the 249 current officially assigned ISO 3166-1 alpha-2 codes, with the following columns:

• Code: ISO 3166-1 alpha-2 code, pointing to its ISO 3166-2 article
• Country name: English short name officially used by the ISO 3166 Maintenance Agency (ISO 3166/MA)
• Year: Year when alpha-2 code was first officially assigned (1974, first edition of ISO 3166)
• ccTLD: Corresponding country code top-level domain (some are unassigned or inactive); exceptions where another ccTLD is assigned for the country are shown in parentheses
• Notes: Any unofficial notes

User-assigned code elements===

AA QV XF XP XZ

User-assigned code elements are codes 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 these codes in the updating process of the standard. The following alpha-2 codes can be user-assigned: , to , to , and . For example:

• The International Standard Recording Code (ISRC) uses as a second country code for the United States, as it ran out of three-character registrant codes within the prefix. It also uses for some registrants assigned directly.
• The Unicode Common Locale Data Repository (CLDR) assigns to represent Outlying Oceania (a multi-territory region containing Antarctica, Bouvet Island, the Cocos (Keeling) Islands, Christmas Island, South Georgia and the South Sandwich Islands, Heard Island and McDonald Islands, the British Indian Ocean Territory, the French Southern Territories, and the United States Minor Outlying Islands), and to represent "Unknown or Invalid Territory". Before the adoption of the macroregion code by ISO, CLDR also used to represent the European Union.
• The code is used by the World Intellectual Property Organization (WIPO) as an indicator for the Community Plant Variety Office.
• The code is used by Swiss Government as a country code for the Canary Islands, although is already reserved for that purpose.
• The codes and are used by Russian Government to represent Abkhazia and South Ossetia respectively.
• The code is used by the UK Government, as an EORI number country code prefix for Northern Ireland, and the members of European Union for European Union value added tax reports with trade with Northern Ireland.
• The code is used by the European Commission, the IMF, the SWIFT, the CLDR, and other organizations as a temporary country code for Kosovo.
• The code is used by WIPO as an indicator for the Nordic Patent Institute, an international organization common to Denmark, Iceland, Norway and Sweden.
• The code is used by WIPO as an indicator for the International Union for the Protection of New Varieties of Plants.
• The code is used by WIPO as an indicator for the Visegrad Patent Institute.
• The code is used by WIPO as an indicator for unknown states, other entities or organizations.
• UN/LOCODE assigns to represent installations in international waters.

OO Furthermore, the code element is designated as an escape code if the number of regular user-assigned code elements is not sufficient.

Reserved code elements===

Reserved code elements are codes which have become obsolete, or are required in order to enable a particular user application of the standard but do not qualify for inclusion in ISO 3166-1. To avoid transitional application problems and to aid users who require specific additional code elements for the functioning of their coding systems, the ISO 3166/MA, when justified, reserves these codes which it undertakes not to use for other than specified purposes during a limited or indeterminate period of time.

The reserved alpha-2 codes are divided into the following three categories: exceptional reservations, transitional reservations, and indeterminate reservations.

Exceptional reservations====

Exceptionally reserved code elements are codes reserved at the request of national ISO member bodies, governments and international organizations, which are required in order to support a particular application, as specified by the requesting body and limited to such use; any further use of such code elements is subject to approval by the ISO 3166/MA. The following alpha-2 codes are currently exceptionally reserved:

The following alpha-2 codes were previously exceptionally reserved, but are now officially assigned:

Transitional reservations====

Transitional reserved code elements are codes reserved after their deletion from ISO 3166-1. These codes may be used only during a transitional period of at least five years while new code elements that may have replaced them are taken into use. These codes may be reassigned by the ISO 3166/MA after the expiration of the transitional period. The following alpha-2 codes are currently transitionally reserved:

The following alpha-2 code was previously transitionally reserved, but was later reassigned to another country as its official code:

For each deleted alpha-2 code, an entry for the corresponding former country name is included in ISO 3166-3. Each entry is assigned a four-letter alphabetic code, where the first two letters are the deleted alpha-2 code.

Indeterminate reservations====

Indeterminately reserved code elements are reserved for use in a particular way, usually due to their presence in other coding systems. For example, several codes are reserved because they are used for international intellectual property organizations in WIPO Standard ST.3. The following alpha-2 codes are currently indeterminately reserved:

The following alpha-2 codes were previously indeterminately reserved, but have been reassigned to another country as its official code:

Notes

Deleted codes

Besides the codes currently transitionally reserved and two other codes currently exceptionally reserved ( for France, Metropolitan and for USSR), the following alpha-2 codes have also been deleted from ISO 3166-1:

For each deleted alpha-2 code, an entry for the corresponding former country name is included in ISO 3166-3. Each entry is assigned a four-letter alphabetic code, where the first two letters are the deleted alpha-2 code.

References

References

1. "Country Codes - ISO 3166". International Organization for Standardization (ISO).
2. "The International Standard Recording Code". International Federation of the Phonographic Industry.
3. "Currency codes - ISO 4217". ISO.
4. "ISO6166 - an outline of the standard". Association of National Numbering Agencies.
5. "About BIC". Society for Worldwide Interbank Financial Telecommunication.
6. "IBAN Registry". Society for Worldwide Interbank Financial Telecommunication.
7. "UN/LOCODE Code List by Country". United Nations Economic Commission for Europe.
8. "IANA – Root Zone Database". Internet Assigned Numbers Authority.
9. (April 2007). "Standard ST.3 – Recommended standard on two-letter codes for the representation of states, other entities and intergovernmental organizations". World Intellectual Property Organization.
10. "Publications Office – Interinstitutional style guide – Countries". European Union.
11. "Interinstitutional style guide – 'EU-27 and candidate countries'".
12. (1998-12-10). "Commission Regulation (EC) No 2645/98 of 9 December 1998 on the nomenclature of countries and territories for the external trade statistics of the Community and statistics of trade between Member States". European Union.
13. "Distinguishing signs used on vehicles in international traffic". United Nations Economic Commission for Europe.
14. (April 2000). "Codes to history: ''Code for formerly used names of countries'' completes the trilogy of country codes". ISO.
15. "Falkland Islands Government".
16. "ISO 3166 – FAQs – Specific". ISO.
17. [https://www.iana.org/domains/root/db/gb.html IANA .gb whois information]
18. "NL - Netherlands (Kingdom of the)".
19. [http://www.icann.org/minutes/minutes-17jan07.htm Special Meeting of the Board Minutes] ICANN, 16 January 2007
20. "Dependencies and Areas of Special Sovereignty".
21. (1993-07-12). "ISO 3166 Newsletter No. III-48".
22. "Glossary for ISO 3166 - Codes for countries and their subdivisions". ISO.
23. (6 December 2010). "International ISRC Agency Bulletin 2010/02: Country Code for ISRC in the United States". [[IFPI]].
24. Mark Davis. "Unicode Technical Standard #35: Unicode Locale Data Markup Language (LDML)". Unicode Consortium.
25. (2017). "List of Countries for the foreign trade statistics of Switzerland 2017". ezv.admin.ch.
26. "Мир ∙ География ∙ Справочник ∙ Президент России".
27. "Get an EORI number". gov.uk.
28. [https://www.skatteverket.se/foretag/internationellt/saharpaverkasmomsenavbrexit Swedish tax Authority: This is how VAT is affected by Brexit - Special rules for trade with Northern Ireland]
29. "Glossary:Country codes - Statistics Explained". europa.eu.
30. [[Society for Worldwide Interbank Financial Telecommunication. SWIFT]]: [http://www.swift.com/dsp/resources/documents/IBAN_Registry.pdf ''IBAN Registry''], Release 50, September 2014. {{webarchive. link. (2013-11-01)
31. (8 March 2010). "XK country code for Kosovo". [[GeoNames]] Blog.
32. (1 January 2018). "Agreement between the Nordic Patent Institute and the International Bureau of the World Intellectual Property Organization". World Intellectual Property Organization.
33. (2003-07-25). "Country codes in ISO 3166". davros.org.
34. (15 December 1974). "Codes for the representation of names of countries". International Organization for Standardization.
35. (20 June 2001). "Report on zr domain deletion". [[Internet Assigned Numbers Authority.
36. "EA -".
37. Clive Feather. (2003-07-25). "Country codes in ISO 3166 (Table 2: codes withdrawn from use)".