The radiocommunication division of the International Telecommunication Union uses the following letter codes to identify its member countries. Eight countries are assigned single-letter codes, while the rest have codes three letters in length. The names of the countries are shown as mentioned in the ITU's official list.
AFG Afghanistan AFS South Africa (Republic of) AGL Angola (Republic of) ALB Albania (Republic of) ALG Algeria (People's Democratic Republic of) AND Andorra (Principality of) ARG Argentine Republic ARM Armenia (Republic of) ARS Saudi Arabia (Kingdom of) ATG Antigua and Barbuda AUS Australia AUT Austria AZE Azerbaijani Republic B Brazil (Federative Republic of) BAH Bahamas (Commonwealth of the) BDI Burundi (Republic of) BEL Belgium BEN Benin (Republic of) BFA Burkina Faso BGD Bangladesh (People's Republic of) BHR Bahrain (Kingdom of) BIH Bosnia and Herzegovina BLR Belarus (Republic of) BLZ Belize BOL Bolivia (Republic of) BOT Botswana (Republic of) BRB Barbados BRM Myanmar (Union of) BRU Brunei Darussalam BTN Bhutan (Kingdom of) BUL Bulgaria (Republic of) CAF Central African Republic CAN Canada CBG Cambodia (Kingdom of) CHL Chile CHN China (People's Republic of) CLM Colombia (Republic of) CLN Sri Lanka (Democratic Socialist Republic of) CME Cameroon (Republic of) COD Democratic Republic of the Congo COG Congo (Republic of the) COM Comoros (Union of the) CPV Cape Verde (Republic of) CTI Côte d'Ivoire (Republic of) CTR Costa Rica CUB Cuba CVA Vatican City State CYP Cyprus (Republic of) CZE Czech Republic D Germany (Federal Republic of) DJI Djibouti (Republic of) DMA Dominica (Commonwealth of) DNK Denmark DOM Dominican Republic E Spain EGY Egypt (Arab Republic of) EQA Ecuador ERI Eritrea EST Estonia (Republic of) ETH Ethiopia (Federal Democratic Republic of) F France FIN Finland FJI Fiji (Republic of) FSM Micronesia (Federated States of) G United Kingdom of Great Britain and Northern Ireland GAB Gabonese Republic GEO Georgia GHA Ghana GMB Gambia (Republic of the) GNB Guinea-Bissau (Republic of) GNE Equatorial Guinea (Republic of) GRC Greece GRD Grenada GTM Guatemala (Republic of) GUI Guinea (Republic of) GUY Guyana HND Honduras (Republic of) HNG Hungary (Republic of) HOL Netherlands (Kingdom of the) HRV Croatia (Republic of) HTI Haiti (Republic of) I Italy IND India (Republic of) INS Indonesia (Republic of) IRL Ireland IRN Iran (Islamic Republic of) IRQ Iraq (Republic of) ISL Iceland ISR Israel (State of) J Japan JMC Jamaica JOR Jordan (Hashemite Kingdom of) KAZ Kazakhstan (Republic of) KEN Kenya (Republic of) KGZ Kyrgyz Republic KIR Kiribati (Republic of) KOR Korea (Republic of) KRE Democratic People's Republic of Korea KWT Kuwait (State of) LAO Lao People's Democratic Republic LBN Lebanon LBR Liberia (Republic of) LBY Socialist People's Libyan Arab Jamahiriya LCA Saint Lucia LIE Liechtenstein (Principality of) LSO Lesotho (Kingdom of) LTU Lithuania (Republic of) LUX Luxembourg LVA Latvia (Republic of) MAU Mauritius (Republic of) MCO Monaco (Principality of) MDA Moldova (Republic of) MDG Madagascar (Republic of) MEX Mexico MHL Marshall Islands (Republic of the) MKD The Former Yugoslav Republic of Macedonia MLA Malaysia MLD Maldives (Republic of) MLI Mali (Republic of) MLT Malta MNG Mongolia MOZ Mozambique (Republic of) MRC Morocco (Kingdom of) MTN Mauritania (Islamic Republic of) MWI Malawi NCG Nicaragua NGR Niger (Republic of the) NIG Nigeria (Federal Republic of) NMB Namibia (Republic of) NOR Norway NPL Nepal NRU Nauru (Republic of) NZL New Zealand OMA Oman (Sultanate of) PAK Pakistan (Islamic Republic of) PHL Philippines (Republic of the) PNG Papua New Guinea PNR Panama (Republic of) POL Poland (Republic of) POR Portugal PRG Paraguay (Republic of) PRU Peru QAT Qatar (State of) ROU Romania RRW Rwandese Republic RUS Russian Federation S Sweden SCG Serbia and Montenegro SDN Sudan (Republic of the) SEN Senegal (Republic of) SEY Seychelles (Republic of) SLM Solomon Islands SLV El Salvador (Republic of) SMO Samoa (Independent State of) SMR San Marino (Republic of) SNG Singapore (Republic of) SOM Somali Democratic Republic SRL Sierra Leone STP Sao Tome and Principe (Democratic Republic of) SUI Switzerland (Confederation of) SUR Suriname (Republic of) SVK Slovakia SVN Slovenia (Republic of) SWZ Swaziland (Kingdom of) SYR Syrian Arab Republic TCD Chad (Republic of) TGO Togolese Republic THA Thailand TJK Tajikistan (Republic of) TKM Turkmenistan TON Tonga (Kingdom of) TRD Trinidad and Tobago TUN Tunisia TUR Turkey TUV Tuvalu TZA Tanzania (United Republic of) UAE United Arab Emirates UGA Uganda (Republic of) UKR Ukraine URG Uruguay (Eastern Republic of) USA United States of America UZB Uzbekistan (Republic of) VCT Saint Vincent and the Grenadines VEN Venezuela (Bolivarian Republic of) VTN Viet Nam (Socialist Republic of) VUT Vanuatu (Republic of) YEM Yemen (Republic of) ZMB Zambia (Republic of) ZWE Zimbabwe (Republic of)
The ITU also designates the following codes for other areas around the world that are not member states.
ABW Aruba AIA Anguilla ALS Alaska (State of USA) AMS Saint Paul and Amsterdam Islands AOE Western Sahara ASC Ascension Island ATA Antarctic ATN Netherlands Antilles AZR Azores BER Bermuda BIO Chagos Islands (Indian Ocean) BVT Bouvet Island CG7 CUB(Guantanamo) (7), as defined in Appendix 26 to the Radio Regulations, Geneva, 1959; (7) means "USA stations". CHR Christmas Island (Indian Ocean) CKH Cook Islands CNR Canary Islands CPT Clipperton Island CRO Crozet Archipelago CYM Cayman Islands DGA Diego Garcia FLK Falkland Islands (Malvinas) FRO Faroe Islands GCA United Kingdom (Non-metropolitan) - Region 1 GCC United Kingdom - Region 3 GDL Guadeloupe (French Department of) GIB Gibraltar GRL Greenland GUF Guiana (French Department of) GUM Guam HKG Hong Kong (Special Administrative Region of China) HMD Heard and McDonald Islands HWA Hawaii (State of) HWL Howland Island ICO Cocos (Keeling) Islands JAR Jarvis Island JON Johnston Island KER Kerguelen Islands MAC Macao (Special Administrative Region of China) MDR Madeira MDW Midway Islands MRA Northern Mariana Islands (Commonwealth of the) MRN Marion Island MRT Martinique (French Department of) MSR Montserrat MYT Mayotte (Territorial Collectivity of) NCL New Caledonia NFK Norfolk Island NIU Niue OCE French Polynesia PAQ Easter Island PHX Phoenix Islands PLM Palmyra Island PLW Palau (Republic of) PTC Pitcairn Island PTR Puerto Rico REU Réunion (French Department of) ROD Rodrigues SCN Saint Kitts and Nevis SHN Saint Helena SMA American Samoa SPM Saint Pierre and Miquelon (Territorial Collectivity of) SWN Swan Islands TCA Turks and Caicos Islands TKL Tokelau TMP Democratic Republic of Timor-Leste TRC Tristan da Cunha VIR United States Virgin Islands VRG British Virgin Islands WAK Wake Island WAL Wallis and Futuna Islands XGZ Gaza Strip XWB West Bank