ITU letter codes - Definition and Overview

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  São Tomé and Príncipe (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