List of ITU letter codes

Last updated

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 (Flag of Brazil.svg B, Flag of Germany.svg D, Flag of Spain.svg E, Flag of France.svg F, Flag of the United Kingdom.svg G, Flag of Italy.svg I, Flag of Japan.svg J, Flag of Sweden.svg S), while the rest have codes three letters in length.

ITU country symbols for its member states [1]
CodeCountry
A
AFGFlag of the Taliban.svg Afghanistan
AFSFlag of South Africa.svg South Africa (Republic of)
AGLFlag of Angola.svg Angola (Republic of)
ALBFlag of Albania.svg Albania (Republic of)
ALGFlag of Algeria.svg Algeria (People's Democratic Republic of)
ANDFlag of Andorra.svg Andorra (Principality of)
ARGFlag of Argentina.svg Argentine Republic
ARMFlag of Armenia.svg Armenia (Republic of)
ARSFlag of Saudi Arabia.svg Saudi Arabia (Kingdom of)
ATGFlag of Antigua and Barbuda.svg Antigua and Barbuda
AUSFlag of Australia (converted).svg Australia
AUTFlag of Austria.svg Austria
AZEFlag of Azerbaijan.svg Azerbaijan (Republic of)
B
BFlag of Brazil.svg Brazil (Federative Republic of)
BAHFlag of the Bahamas.svg Bahamas (Commonwealth of the)
BDIFlag of Burundi.svg Burundi (Republic of)
BELFlag of Belgium (civil).svg Belgium
BENFlag of Benin.svg Benin (Republic of)
BFAFlag of Burkina Faso.svg Burkina Faso
BGDFlag of Bangladesh.svg Bangladesh (People's Republic of)
BHRFlag of Bahrain.svg Bahrain (Kingdom of)
BIHFlag of Bosnia and Herzegovina.svg Bosnia and Herzegovina
BLRFlag of Belarus.svg Belarus (Republic of)
BLZFlag of Belize.svg Belize
BOLFlag of Bolivia.svg Bolivia (Plurinational State of)
BOTFlag of Botswana.svg Botswana (Republic of)
BRBFlag of Barbados.svg Barbados
BRMFlag of Myanmar.svg Myanmar (Union of)
BRUFlag of Brunei.svg Brunei Darussalam
BTNFlag of Bhutan.svg Bhutan (Kingdom of)
BULFlag of Bulgaria.svg Bulgaria (Republic of)
C
CAFFlag of the Central African Republic.svg Central African Republic
CANFlag of Canada (Pantone).svg Canada
CBGFlag of Cambodia.svg Cambodia (Kingdom of)
CHLFlag of Chile.svg Chile
CHNFlag of the People's Republic of China.svg China (People's Republic of)
CLMFlag of Colombia.svg Colombia (Republic of)
CLNFlag of Sri Lanka.svg Sri Lanka (Democratic Socialist Republic of)
CMEFlag of Cameroon.svg Cameroon (Republic of)
CODFlag of the Democratic Republic of the Congo.svg Democratic Republic of the Congo
COGFlag of the Republic of the Congo.svg Congo (Republic of the)
COMFlag of the Comoros.svg Comoros (Union of the)
CPVFlag of Cape Verde.svg Cabo Verde (Republic of)
CTIFlag of Cote d'Ivoire.svg Côte d'Ivoire (Republic of)
CTRFlag of Costa Rica.svg Costa Rica
CUBFlag of Cuba.svg Cuba
CVAFlag of Vatican City (2023-present).svg Vatican City
CYPFlag of Cyprus.svg Cyprus (Republic of)
CZEFlag of the Czech Republic.svg Czech Republic
D
DFlag of Germany.svg Germany (Federal Republic of)
DJIFlag of Djibouti.svg Djibouti (Republic of)
DMAFlag of Dominica.svg Dominica (Commonwealth of)
DNKFlag of Denmark.svg Denmark
DOMFlag of the Dominican Republic.svg Dominican Republic
E
EFlag of Spain.svg Spain
EGYFlag of Egypt.svg Egypt (Arab Republic of)
EQAFlag of Ecuador.svg Ecuador
ERIFlag of Eritrea.svg Eritrea
ESTFlag of Estonia.svg Estonia (Republic of)
ETHFlag of Ethiopia.svg Ethiopia (Federal Democratic Republic of)
F
FFlag of France.svg France
FINFlag of Finland.svg Finland
FJIFlag of Fiji.svg Fiji (Republic of)
FSMFlag of the Federated States of Micronesia.svg Micronesia (Federated States of)
G
GFlag of the United Kingdom.svg United Kingdom of Great Britain and Northern Ireland
GABFlag of Gabon.svg Gabon
GEOFlag of Georgia.svg Georgia
GHAFlag of Ghana.svg Ghana
GMBFlag of The Gambia.svg Gambia (Republic of the)
GNBFlag of Guinea-Bissau.svg Guinea-Bissau (Republic of)
GNEFlag of Equatorial Guinea.svg Equatorial Guinea (Republic of)
GRCFlag of Greece.svg Greece
GRDFlag of Grenada.svg Grenada
GTMFlag of Guatemala.svg Guatemala (Republic of)
GUIFlag of Guinea.svg Guinea (Republic of)
GUYFlag of Guyana.svg Guyana
H
HNDFlag of Honduras (2022-).svg Honduras (Republic of)
HNGFlag of Hungary.svg Hungary
HOLFlag of the Netherlands.svg Netherlands (Kingdom of the)
HRVFlag of Croatia.svg Croatia (Republic of)
HTIFlag of Haiti.svg Haiti (Republic of)
I
IFlag of Italy.svg Italy
INDFlag of India.svg India (Republic of)
INSFlag of Indonesia.svg Indonesia (Republic of)
IRLFlag of Ireland.svg Ireland
IRNFlag of Iran.svg Iran (Islamic Republic of)
IRQFlag of Iraq.svg Iraq (Republic of)
ISLFlag of Iceland.svg Iceland
ISRFlag of Israel.svg Israel (State of)
J
JFlag of Japan.svg Japan
JMCFlag of Jamaica.svg Jamaica
JORFlag of Jordan.svg Jordan (Hashemite Kingdom of)
K
KAZFlag of Kazakhstan.svg Kazakhstan (Republic of)
KENFlag of Kenya.svg Kenya (Republic of)
KGZFlag of Kyrgyzstan.svg Kyrgyz Republic
KIRFlag of Kiribati.svg Kiribati (Republic of)
KNAFlag of Saint Kitts and Nevis.svg Saint Kitts and Nevis (Federation of)
KORFlag of South Korea.svg Korea (Republic of)
KREFlag of North Korea.svg Democratic People's Republic of Korea
KWTFlag of Kuwait.svg Kuwait (State of)
L
LAOFlag of Laos.svg Lao People's Democratic Republic
LBNFlag of Lebanon.svg Lebanon
LBRFlag of Liberia.svg Liberia (Republic of)
LBYFlag of Libya.svg Libya (State of)
LCAFlag of Saint Lucia.svg Saint Lucia
LIEFlag of Liechtenstein.svg Liechtenstein (Principality of)
LSOFlag of Lesotho.svg Lesotho (Kingdom of)
LTUFlag of Lithuania.svg Lithuania (Republic of)
LUXFlag of Luxembourg.svg Luxembourg
LVAFlag of Latvia.svg Latvia (Republic of)
M
MAUFlag of Mauritius.svg Mauritius (Republic of)
MCOFlag of Monaco.svg Monaco (Principality of)
MDAFlag of Moldova.svg Moldova (Republic of)
MDGFlag of Madagascar.svg Madagascar (Republic of)
MEXFlag of Mexico.svg Mexico
MHLFlag of the Marshall Islands.svg Marshall Islands (Republic of the)
MKDFlag of North Macedonia.svg North Macedonia (Republic of)
MLAFlag of Malaysia.svg Malaysia
MLDFlag of Maldives.svg Maldives (Republic of)
MLIFlag of Mali.svg Mali (Republic of)
MLTFlag of Malta.svg Malta
MNEFlag of Montenegro.svg Montenegro
MNGFlag of Mongolia.svg Mongolia
MOZFlag of Mozambique.svg Mozambique (Republic of)
MRCFlag of Morocco.svg Morocco (Kingdom of)
MTNFlag of Mauritania.svg Mauritania (Islamic Republic of)
MWIFlag of Malawi.svg Malawi
N
NCGFlag of Nicaragua.svg Nicaragua
NGRFlag of Niger.svg Niger (Republic of the)
NIGFlag of Nigeria.svg Nigeria (Federal Republic of)
NMBFlag of Namibia.svg Namibia (Republic of)
NORFlag of Norway.svg Norway
NPLFlag of Nepal.svg   Nepal (Federal Democratic Republic of)
NRUFlag of Nauru.svg Nauru (Republic of)
NZLFlag of New Zealand.svg New Zealand
O
OMAFlag of Oman.svg Oman (Sultanate of)
P
PAKFlag of Pakistan.svg Pakistan (Islamic Republic of)
PHLFlag of the Philippines.svg Philippines (Republic of the)
PNGFlag of Papua New Guinea.svg Papua New Guinea
PNRFlag of Panama.svg Panama (Republic of)
POLFlag of Poland.svg Poland (Republic of)
PORFlag of Portugal (official).svg Portugal
PRGFlag of Paraguay.svg Paraguay (Republic of)
PRUFlag of Peru.svg Peru
Q
QATFlag of Qatar.svg Qatar (State of)
R
ROUFlag of Romania.svg Romania
RRWFlag of Rwanda.svg Rwanda (Republic of)
RUSFlag of Russia.svg Russian Federation
S
SFlag of Sweden.svg Sweden
SDNFlag of Sudan.svg Sudan (Republic of the)
SENFlag of Senegal.svg Senegal (Republic of)
SEYFlag of Seychelles.svg Seychelles (Republic of)
SLMFlag of the Solomon Islands.svg Solomon Islands
SLVFlag of El Salvador.svg El Salvador (Republic of)
SMOFlag of Samoa.svg Samoa (Independent State of)
SMRFlag of San Marino.svg San Marino (Republic of)
SNGFlag of Singapore.svg Singapore (Republic of)
SOMFlag of Somalia.svg Somalia (Federal Republic of)
SRBFlag of Serbia.svg Serbia (Republic of)
SRLFlag of Sierra Leone.svg Sierra Leone
SSDFlag of South Sudan.svg South Sudan (Republic of)
STPFlag of Sao Tome and Principe.svg Sao Tome and Principe (Democratic Republic of)
SUIFlag of Switzerland (Pantone).svg  Switzerland (Confederation of)
SURFlag of Suriname.svg Suriname (Republic of)
SVKFlag of Slovakia.svg Slovak Republic
SVNFlag of Slovenia.svg Slovenia (Republic of)
SWZFlag of Eswatini.svg Eswatini (Kingdom of)
SYRFlag of Syria (2025-).svg Syrian Arab Republic
T
TCDFlag of Chad.svg Chad (Republic of)
TGOFlag of Togo (3-2).svg Togolese Republic
THAFlag of Thailand.svg Thailand
TJKFlag of Tajikistan.svg Tajikistan (Republic of)
TKMFlag of Turkmenistan.svg Turkmenistan
TLSFlag of East Timor.svg Timor-Leste (Democratic Republic of)
TONFlag of Tonga.svg Tonga (Kingdom of)
TRDFlag of Trinidad and Tobago.svg Trinidad and Tobago
TUNFlag of Tunisia.svg Tunisia
TURFlag of Turkey.svg Türkiye (Republic of)
TUVFlag of Tuvalu.svg Tuvalu
TZAFlag of Tanzania.svg Tanzania (United Republic of)
U
UAEFlag of the United Arab Emirates.svg United Arab Emirates
UGAFlag of Uganda.svg Uganda (Republic of)
UKRFlag of Ukraine.svg Ukraine
URGFlag of Uruguay.svg Uruguay (Eastern Republic of)
USAFlag of the United States.svg United States of America
UZBFlag of Uzbekistan.svg Uzbekistan (Republic of)
V
VCTFlag of Saint Vincent and the Grenadines.svg Saint Vincent and the Grenadines
VENFlag of Venezuela.svg Venezuela (Bolivarian Republic of)
VTNFlag of Vietnam.svg Vietnam (Socialist Republic of)
VUTFlag of Vanuatu.svg Vanuatu (Republic of)
W
X
Y
YEMFlag of Yemen.svg Yemen (Republic of)
Z
ZMBFlag of Zambia.svg Zambia (Republic of)
ZWEFlag of Zimbabwe.svg Zimbabwe (Republic of)

The ITU also designates the following codes for other areas around the world that are not member states.

ITU country symbols for non-member states, areas, [2] organizations [3] and special purposes [4] [5]
CodeArea
A
ABWFlag of Aruba.svg Aruba
AIAFlag of Anguilla.svg Anguilla
ALSFlag of Alaska.svg Alaska (State of)
AMSFlag of the French Southern and Antarctic Lands.svg Saint Paul and Amsterdam Islands
AOEFlag of Morocco.svg/Flag of the Sahrawi Arab Democratic Republic.svg Western Sahara
ASCFlag of Ascension Island.svg Ascension Island
ATAFlag of the Antarctic Treaty.svg Antarctic
AZRFlag of the Azores.svg Azores
B
BERFlag of Bermuda.svg Bermuda
BIOFlag of the Commissioner of the British Indian Ocean Territory.svg Chagos Islands (Indian Ocean)
BLMFlag of France.svg Saint Barthélemy (French Department of)
BVTFlag of Norway.svg Bouvet Island
C
CG7 CUB(Guantanamo) (7). [6]
CHRFlag of Christmas Island.svg Christmas Island (Indian Ocean)
CKHFlag of the Cook Islands.svg Cook Islands
CNRFlag of the Canary Islands.svg Canary Islands
CPTFlag of France.svg Clipperton Island
CROFlag of the French Southern and Antarctic Lands.svg Crozet Archipelago
CYMFlag of the Cayman Islands.svg Cayman Islands
D
DGAFlag of the Commissioner of the British Indian Ocean Territory.svg Diego Garcia
E
F
FLKFlag of the Falkland Islands.svg Falkland Islands (Malvinas)
FROFlag of the Faroe Islands.svg Faroe Islands
G
GCAFlag of the United Kingdom.svg United Kingdom (Non-metropolitan) – Region 1
GCCFlag of the United Kingdom.svg United Kingdom – Region 3
GIBFlag of Gibraltar.svg Gibraltar
GRLFlag of Greenland.svg Greenland
GUFFlag of France.svg Guiana (French Department of)
GUMFlag of Guam.svg Guam
H
HKGFlag of Hong Kong.svg Hong Kong (Special Administrative Region of China)
HMDFlag of Australia (converted).svg Heard and McDonald Islands
HWAFlag of Hawaii.svg Hawaii (State of)
HWLFlag of the United States.svg Howland Island
I
ICONo image.svg Cocos (Keeling) Islands
J
JARFlag of the United States.svg Jarvis Island
JONFlag of the United States.svg Johnston Island
K
KERFlag of the French Southern and Antarctic Lands.svg Kerguelen Islands
L
M
MACFlag of Macau.svg Macau (Special Administrative Region of China)
MDRFlag of Madeira.svg Madeira
MDWFlag of the United States.svg Midway Islands
MRAFlag of the Northern Mariana Islands.svg Northern Mariana Islands (Commonwealth of the)
MRNFlag of South Africa.svg Marion Island
MRTFlag-of-Martinique.svg Martinique (French Department of)
MSRFlag of Montserrat.svg Montserrat
MYTFlag of France.svg Mayotte (Territorial Collectivity of)
N
NCLFlag of France.svg New Caledonia
NFKFlag of Norfolk Island.svg Norfolk Island
NIUFlag of Niue.svg Niue
O
OCEFlag of French Polynesia.svg French Polynesia
P
PAQFlag of Rapa Nui, Chile.svg Easter Island
PHXFlag of Kiribati.svg Phoenix Islands
PLMFlag of the United States.svg Palmyra Island
PLWFlag of Palau.svg Palau (Republic of) [7]
PTCFlag of the Pitcairn Islands.svg Pitcairn Island
PTRFlag of Puerto Rico.svg Puerto Rico
Q
R
REUFlag of France.svg Reunion (French Department of)
RODFlag of Mauritius.svg Rodrigues
S
SCGexFlag of Yugoslavia (1992-2003); Flag of Serbia and Montenegro (2003-2006).svg Serbia and Montenegro → SRB, MNE
SHNFlag of Saint Helena.svg Saint Helena
SMAFlag of American Samoa.svg American Samoa
SPMFlag of France.svg Saint Pierre and Miquelon (Territorial Collectivity of)
SWNFlag of Honduras (2022-).svg Swan Islands
SXMFlag of Sint Maarten.svg Sint Maarten (Dutch part)
T
TCAFlag of the Turks and Caicos Islands.svg Turks and Caicos Islands
TKLFlag of Tokelau.svg Tokelau
TRCFlag of Tristan da Cunha.svg Tristan da Cunha
U
V
VIRFlag of the United States Virgin Islands.svg United States Virgin Islands
VRGFlag of the British Virgin Islands.svg British Virgin Islands
W
WAKFlag of the United States.svg Wake Island
WALFlag of France.svg Wallis and Futuna Islands
X
XAAshared throughout the world
XAXshared by several countries, but in a restricted area of the world
XBRspecial use
XBYFlag of Sudan.svg/Flag of South Sudan.svg Abyei area
XCQex Caroline Islands → FSM + PLW
XCSex TCH Flag of the Czech Republic.svg Czechoslovakia → CZE + SVK
XGZFlag of Palestine.svg Gaza Strip
XMMinter-ship communications
XOA International Civil Aviation Organization
XR1Region 1 (RR 5.3)
XR2Region 2 (RR 5.4)
XR3Region 3 (RR 5.5)
XRYFlag of the Antarctic Treaty.svg Antarctic Region (RR AP 26/5.2)
XSCex SCG Flag of Yugoslavia (1992-2003); Flag of Serbia and Montenegro (2003-2006).svg Serbia and Montenegro
XSDex Republic of the Sudan before 14 July 2011 → SDN + SSD
XSP Spratly Islands
XSUex URS Flag of the Soviet Union.svg Soviet Union → RUS + …
XUNFlag of the United Nations.svg United Nations
XUUunknown site
XWBFlag of Palestine.svg West Bank
XWMFlag of the United Nations.svg World Meteorological Organization
XYUex YUG Flag of Yugoslavia (1946-1992).svg Yugoslavia → SCG… + HRV + BIH + SVN
XYZpending further developments regarding the administration responsible
XZZadministrative status is subject to special arrangements
Y
Z

References