ISO 3166-2 is part of the ISO 3166 standard published by the International Organization for Standardization (ISO), and defines 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:
- The first part is the ISO 3166-1 alpha-2 code of the country;
- The second part is a string of up to three alphanumeric characters, which is usually obtained from national sources and stems from coding systems already in use in the country concerned, but may also be developed by the ISO itself.
Each complete ISO 3166-2 code can then be used to uniquely identify a country subdivision in a global context.
As of 22 November 2019 there are 4,964 codes defined in ISO 3166-2. For some countries, codes are defined for more than one level of subdivisions.
- Entry — ISO 3166-1 alpha-2 code, click to view the ISO 3166-2 codes of the country
- Country name — English short name officially used by the ISO 3166 Maintenance Agency (ISO 3166/MA)
- Subdivisions assigned codes — Number and category of subdivisions assigned codes in ISO 3166-2; if there are more than one level of subdivisions, the first-level subdivisions are shown in italics
Subdivisions included in ISO 3166-1
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:
|Entry||Country name||Subdivisions included in ISO 3166-1 (alpha-2 code)|
|CN||China||CN-TW Taiwan (TW) |
CN-HK Hong Kong (HK)
CN-MO Macao (MO)
|FI||Finland||FI-01 Åland (AX)|
|FR||France||FR-BL Saint Barthélemy (BL)|
FR-GF French Guiana (GF)
FR-GP Guadeloupe (GP)
FR-MF Saint Martin (MF)
FR-MQ Martinique (MQ)
FR-NC New Caledonia (NC)
FR-PF French Polynesia (PF)
FR-PM Saint Pierre and Miquelon (PM)
FR-RE Réunion (RE)
FR-TF French Southern Territories (TF)
FR-WF Wallis and Futuna (WF)
FR-YT Mayotte (YT)
|NL||Netherlands||NL-AW Aruba (AW)|
NL-BQ1 Bonaire (BQ)
NL-BQ2 Saba (BQ)
NL-BQ3 Sint Eustatius (BQ)
NL-CW Curaçao (CW)
NL-SX Sint Maarten (SX)
|NO||Norway||NO-21 Svalbard (SJ) |
NO-22 Jan Mayen (SJ)
|US||United States||US-AS American Samoa (AS)|
US-GU Guam (GU)
US-MP Northern Mariana Islands (MP)
US-PR Puerto Rico (PR)
US-UM United States Minor Outlying Islands (UM)
US-VI Virgin Islands, U.S. (VI)
- In ISO 3166-1, three countries are listed as subdivisions of the Netherlands. However, the mentioned Netherlands is a country on its own with the three other countries being its dependent territories. The four countries together constitute the Kingdom of the Netherlands.
- Taiwan is included as a subdivision of China because of its political status within the United Nations, as, even though it is de facto under the jurisdiction of the Republic of China instead of the People's Republic of China, the United Nations does not recognize the Republic of China and considers Taiwan as part of China. In ISO 3166-1, Taiwan is listed as "Taiwan, Province of China".
- Collectively Bonaire, Sint Eustatius and Saba are officially assigned their own country codes in ISO 3166-1.
- Collectively Svalbard and Jan Mayen are 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:
|Number of characters (second part)||Alphabetic||Numeric||Alphanumeric|
|1||AR, BO, FJ, GM, KI, KM, LS, LU, MG, SL, ST, TG, TM, VE
First-level subdivisions only: BD, CV, FR, GN, GQ, GR, GW, KN, MH, MW, NZ, UG
|AT, GA, IS, NE
First-level subdivisions only: LK, NP
|2||AE, AM, BI, BJ, BN, BQ, BR, BS, BW, BY, CA, CD, CH, CL, CM, CN, DE, DJ, ER, ET, GE, GH, GL, GT, GY, HN, HT, HU, ID, IN, IQ, JO, KW, LA, LB, LR, LT, LY, MC, MD, MU, NA, NG, NI, OM, PK, PL, QA, SB, SD, SH, SK, SN, SO, SR, SS, SV, SY, SZ, TD, TJ, TL, US, UY, UZ, WS, YE, ZA, ZW
First-level subdivisions only: CZ, RS
Second-level subdivisions only: AL, CV, GN, GQ, GW, IT, MW, NP
|AD, AG, BB, BG, BH, CI, CU, CY, DK, DM, DO, DZ, EE, FI, GD, HR, IR, JM, JP, KP, KR, LC, LI, ME, MK, MM, MT, MY, NO, NR, PT, RW, SA, SC, SG, SM, TN, TO, TR, TZ, UA, UM, VC, ZM
First-level subdivisions only: AL, BF, IT, MA, PH
Second-level subdivisions only: BA, BD, KN, LK, RS
|BT, MV, VN|
Second-level subdivisions only: FR, GR
|3||AF, AO, BE, FM, GB, KZ, MX, PE, PG, PS, TT, TV, TW, VU
First-level subdivisions only: BA
Second-level subdivisions only: BF, MA, MH, NZ, PH
|KE, PW, SI
Second-level subdivisions only: UG
|Second-level subdivisions only: CZ|
|1 or 2||CR, EC, ES, IE, IL, KG, RO, SE||KH||PA, TH|
|1 or 3||MZ||MN||ML|
|2 or 3||AU, AZ, BZ, CF, CO, RU||LV, MR, NL|
|1, 2, or 3||EG||CG, PY|
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.
|Edition/Newsletter||Date issued||Affected entries|
|ISO 3166-2:1998||1998-12-20||First edition of ISO 3166-2|
|Newsletter I-1||2000-06-21||BY, CA, DO, ER, ES, IT, KR, NG, PL, RO, RU, TR, VN, YU|
|Newsletter I-2||2002-05-21||AE, AL, AO, AZ, BD, BG, BJ, CA, CD, CN, CV, CZ, ES, FR, GB, GE, GN, GT, HR, ID, IN, IR, KZ, LA, MA, MD, MW, NI, PH, TR, UZ, VN|
|Newsletter I-3||2002-08-20||AE, CZ, IN, KZ, MD, MO, PS (new entry), TP (changed to TL), UG|
|Newsletter I-4||2002-12-10||BI, CA, EC, ES, ET, GE, ID, IN, KG, KH, KP, KZ, LA, MD, MU, RO, SI, TJ, TL, TM, TW, UZ, VE, YE|
|Newsletter I-5||2003-09-05||BW, CH, CZ, LY, MY, SN, TN, TZ, UG, VE, YU (changed to CS)|
|Newsletter I-6||2004-03-08||AF, AL, AU, CN, CO, ID, KP, MA, TN, ZA|
|Newsletter I-7||2005-09-13||AF, DJ, ID, RU, SI, VN|
|Newsletter I-8||2007-04-17||AD, AG, BB, BH, CI, CS (deleted), DM, GB, GD, GG (new entry), IM (new entry), IR, IT, JE (new entry), KN, LI, ME (new entry), MK, NR, PW, RS (new entry), RU, RW, SB, SC, SM, TD, TO, TV, VC|
|Newsletter I-9||2007-11-28||BG, BL (new entry), CZ, FR, GB, GE, LB, MF (new entry), MK, MT, RU, SD, SG, UG, ZA|
|ISO 3166-2:2007||2007-12-13||Second edition of ISO 3166-2 (these changes were not announced in a newsletter)|
BA, DK, DO, EG, GN, HT, KE, KW, LC, LR, TV, YE, ZA
|AL, BO, CZ, ES, FR, GN, GR, GW, ID, IE, IT, KN, KP, LK, MA, MH, NP, RS, UG, VE|
|Newsletter II-2||2010-06-30||AG, AR, BA, BF, BI, BS, BY, CF, CL, CV, EC, EG, GB, GL, HU, IT, KE, KM, LY, MD, MW, NG, NZ, OM, PA, PE, PH, RU, SC, SH, SI, SN, TD, TM, YE|
|AF, AN (deleted), AW, AZ, BD, BE, BG, BQ (new entry), BS, CV, CW (new entry), DJ, DK, ER, FI, FR, GB, GQ, HN, HR, HT, ID, IE, IN, JO, KW, LS, LV, MC, ME, MK, MM, MV, NL, NO, NP, NR, PG, PK, PL, PS, QA, SA, SD, SE, SH, SS (new entry), SX (new entry), TL, TN, TR, VN|
|ISO 3166-2:2013||2013-11-19||Third edition of ISO 3166-2 (changes are published in the online catalogue of ISO only and no newsletters are published anymore)|
- International Organization for Standardization
- Lists of countries and territories
- United Nations
- ISO 3166 Maintenance Agency, International Organization for Standardization (ISO)
Other lists of ISO 3166-2 codes (not necessarily up-to-date)
Many of the lists below are based on outdated versions of ISO 3166-2 codes. The latest version may be obtained from the ISO 3166/MA.
- List of Countries with ISO 2 Digit codes - DataHub Core Data
- Country sub-entity name code, GEFEG.FX
- "LLOW linklist", LanguageServer, AT: University of Graz.