Call-Sign History by Country
INTERNATIONAL CALL-SIGN PREFIX SERIES ALLOCATIONS
These are de jure official ITU allocations. There has been no attempt to show de facto usage in this list. Countries have often deviated from their official call-sign allocations. The prefixes shown here are for use by all classes of stations.

The dates shown are those of allocation. Typically it takes 2-5 years for call-sign changes to be implemented. Prior to 1912, there was no international coordination of call-sign assignments. Provisional use in italics. Prior to 1927, most amateur or experimental stations did not use international prefixes.
Latest changes :
  2015 : Niue allocated E6.
  2011 : South Sudan allocated Z8.
  2007 : Cook Islands allocated E5.
  2007 : Bosnia & Herzegovina T9 changed to E7.

ABYEI
 see Sudan

ADELIE LAND
 see France

AFGHANISTAN
1927
YA
1979
 YA , T6

ALASKA
 see USA

ALBANIA
1925
RWT-RWZ
1927
 ZA

ALGERIA
1962
 7R , 7T-7Y

AMERICAN SAMOA
 see USA

ANDORRA
1971
 C3

ANGOLA
1975
 D2-D3

ANTARCTICA
 see Australian Antarctica , British Antarctica , Queen Maud Land-Peter I Island & Ross

ANTIGUA & BARBUDA
1981
 V2

ARGENTINA
1911
W   (shared with Chile)
1913
LI-LR
1920
LI-LN , LP-LR
1921
LI-LR
1927
LO-LV
1932
LO-LW
1947
AY-AZ , LO-LW
1971
 AY-AZ , LO-LW , L2-L9

ARMENIA
1991
 EK

ARUBA
1986
 P4

ASCENSION ISLAND
  see British Colonies

AUSTRALIA, AUSTRALIAN TERRITORIES & Australian Antarctica
1911
AA
1912
see British Colonies
1913
VH-VK
1920
CG , VH-VK , VZ
1923
VH-VK
1927
VH-VM
1938
VH-VN , VZ
1947
 AX , VH-VN , VZ

AUSTRIA
1910
LR   (shared with Hungary)
1912
OA-OM   (shared with Hungary)
1913
HA-HF , OG-OM , UN-UZ   (shared with Hungary & Bosnia-Hercegovina)
1919
HA-HF , OG-OM , UO-UZ   (shared with Hungary)
1920
OG-OM , UO-UZ   (shared with Hungary)
1921
UO
1932
 OE

AZERBAIJAN
1991
 4J-4K

AZORES
  see Portugal

BAHAMAS
1973
 C6

BAHRAIN
1971
 A9

BAKER & HOWLAND ISLANDS
 see USA

BANGLADESH
1971
 S2-S3

BARBADOS
1966
 8P

BELARUS
1947
DR-DT
1959
 EU-EW

BELGIUM
1912
 ON-OT

BELIZE
1981
 V3

BENIN
1960
 TY

BERMUDA
  see British Colonies

BHUTAN
1971
 A5

BOLIVIA
1914
 CP

BOSNIA & HERZEGOVINA
1913
HA-HF , OG-OM , UN-UZ   (shared with Austria & Hungary)
1919
UN
1921
see Serbia
1992
T9
2007
 E7

BOTSWANA
1966
 8O , A2

BOUVET ISLAND
  see Norway

BRAZIL
1912
SP-SQ
1913
SN-ST
1914
PN-PZ , SN-ST
1918
PN-PP , PT-PV , SN-ST
1927
PP-PY
1938
 PP-PY , ZV-ZZ

BRITISH COLONIES & British Antarctica
1912
CA-CM
1913
VP-VS
1918
CF-CK , VP-VS , VX-VZ
1920
VP-VS , VX-VY
1923
CG , CI , VP-VS , VX-VZ
1926
CG , CI , GVBC-GVZY , VP-VS , VX-VZ
1927
VP-VS
1929
VP-VS , ZB-ZD
1930
VP-VS , ZB-ZH
1931
VP-VS , ZB-ZJ
1938
VP-VS , ZB-ZJ , ZN-ZO , ZQ
1947
VP-VS , ZB-ZJ , ZN-ZO , ZQ , 4P-4S
1959
VP-VS , ZB-ZJ , ZN-ZO , ZQ
1997
VP-VQ , VS , ZB-ZJ , ZN-ZO , ZQ

BRITISH COLONIES : Persian Gulf
1923
VT-VW  (shared with India)
1927
see British Colonies

BRITISH VIRGIN ISLANDS
 see British Colonies

BRUNEI DARUSSALAM
1984
 V8

BULGARIA
1912
SR
1913
LX-LZ
1927
 LZ

BURKINA FASO
1960
 XT

BURUNDI
1959
9O-9U   (shared with Belgian Congo & Rwanda)
1960
9U  (shared with Rwanda)
1962
 9U

CAMBODIA
1953
 XU

CAMEROON
1960
 TJ

CANADA
1913
VA-VG
1920
CF , CH , CJ-CK , VA-VG
1923
CF , CH , CJ-CK , VA-VG , XV-XW
1924
CF , CH , CJ-CK , VA-VG
1926
CF , CH , CJ-CK , GTPB-GTZY , VA-VG
1927
CF-CK , VA-VG
1930
CF-CK , UW-UZ , VA-VG
1932
CF-CK , CY-CZ , VA-VG , VX-VY
1947
CF-CK , CY-CZ , VA-VG , VX-VY , XJ-XO , 3B-3F
1949
CF-CK , CY-CZ , VA-VG , VO , VX-VY , XJ-XO , 3B-3F
1968
 CF-CK , CY-CZ , VA-VG , VO , VX-VY , XJ-XO

CANADA : Newfoundland
1913
VO
1915
VO , VX
1918
VO
1920
CI , VO , VY
1923
VO
1949
see Canada

CANARIES
 see Spain

 CAPE VERDE
1975
 D4

CARIBBEAN NETHERLANDS
  see Curazao

CAYMAN ISLANDS
 see British Colonies

CENTRAFRICA
1960
 TL

CHAD
1960
 TT

CHAGOS ARCHIPELAGO
 see British Colonies

CHILE & EASTER ISLAND
1910
W
1911
W   (shared with Argentina)
1912
CO
1913
CO-CP
1914
CA-CE
1947
 CA-CE , XQ-XR , 3G

CHINA & CHINA (TAIWAN)
1915
XN-XO , XS
1918
XN-XS
1927
XG-XU
1947
 B , XS , 3H-3U

CHINA (TAIWAN)
  see China

CHRISTMAS ISLAND
 see Australia

CLIPPERTON ISLAND
  see France

COCOS (KEELING) ISLANDS
 see Australia

COLOMBIA
1914
HJ-HK
1959
 HJ-HK , 5J-5K

COMOROS
1975
 D6

CONGO
1960
 TN

DEMOCRATIC CONGO
1947
DN-DQ
1959
9O-9U   (shared with Rwanda & Burundi)
1960
 9O-9T

COOK ISLANDS
2007
 E5

COSTA RICA
1927
TI
1938
 TE , TI

CROATIA
1921
HF , UN   (shared with Serbia & Slovenia)
1927
UN   (shared with Serbia & Slovenia)
1929
see Serbia
1991
 9A

CROATIA : Fiume
1924
 IQB
1926
see Italy
1945
see Serbia
1991
see Croatia

CROZET ISLANDS
 see France

CUBA
1920
PW
1927
CL-CM
1932
CL-CM , CO
1979
 CL-CM , CO , T4

CURAZAO, CARIBBEAN NETHERLANDS & ST. MAARTEN
1913
PJA-PJM
1927
 PJ
1976
PJ , P4
1986
PJ

CYPRUS
1960
5B
1976
 5B , C4 , H2 , P3

CZECHIA
1921
OK  (shared with Slovakia)
1938
OK-OM  (shared with Slovakia)
1993
 OK-OL

DENMARK, FAERO ISLANDS & GREENLAND
1912
SS-ST
1913
OU-OZ
1921
OG-OI , OU-OZ
1927
OU-OZ
1947
OU-OZ , XP
1959
OU-OZ , XP , 5P-5Q

DIEGO GARCIA
 see British Colonies

DJIBOUTI
1977
 J2

DOMINICA
1978
 J7

DOMINICANA
1914
 HI

EASTER ISLAND
 see Chile

ECUADOR
1921
HC
1938
 HC-HD

EGYPT
1911
LP
1912
SU
1929
ST-SU
1938
SS-SU
1959
 SSA-SSM , SU , 6A-6B

ÉIRE
1924
GWBC-GWJ
1927
EI
1938
 EI-EJ

EQUATORIAL GUINEA
1968
 3C

EMIRATI ARABIA
1971
 A6

ERITREA
1993
 E3

ESTONIA
1924
AZ
1927
 ES
1979
see Russia
1991
ES

ESWATINI
1968
 3DA-3DM

ETHIOPIA
1927
ET
1959
 ET , 9E-9F

FAERO ISLANDS
 see Denmark

FALKLAND ISLANDS
 see British Colonies

FIJI
1970
 3DN-3DZ

FINLAND & Aaland
1921
OJ
1927
OH
1929
OF-OH
1938
 OF-OJ

FRANCE & FRENCH COLONIES
1910
U
1912
UA-UM
1913
F , UA-UM
1918
F , HO-HZ , UA-UM
1927
F
1932
F , TK-TZ
1938
F , HW-HY , TH , TJ-TZ , XV-XW
1947
F , HW-HY , TH , TJ-TZ , XT-XW , 3V
1959
F , HW-HY , TH , TJ-TR , TSN-TZ , XT , 5R-5V
1960
 F , HW-HY , TH , TK , TM , TO-TQ , TV-TX

FRENCH GUYANA
 see France

FRENCH POLYNESIA
 see France

GABON
1960
 TR

THE GAMBIA
1972
 C5

GAZA STRIP
 see Palestine

GEORGIA
1991
 4L

GERMANY
1906
D , F , K
1909
D , F , K , RA-RB , RCX , RD-RZ
1912
A , D , KA-KC
1915
A , D , KA-KC , TN-TZ
1920
A , D , KA-KC
1921
AA-AM , D , KA-KB
1923
AA-AM , DA-DS , DU-DZ , KAA-KAY , KB
1927
D
1935
D , EZ
1947
DA-DM
1949
DA-DM   (shared with GDR)
1957
DA-DM , 9S   (shared with GDR)
1959
DA-DT   (shared with GDR)
1979
DA-DR
1990
 DA-DR , Y2-Y9

GERMANY : GDR
1949
DA-DM  (shared with Germany)
1957
DA-DM , 9S  (shared with Germany)
1959
DA-DT   (shared with Germany)
1979
Y2-Y9
1990
 see Germany

GERMANY : Saar
1927
TS
1932
EZ
1935
see Germany
1953
9S
1957
 see Germany

GHANA
1959
 9G

GIBRALTAR
 see British Colonies

GREAT BRITAIN & NORTHERN IRELAND, Guernsey, Isle of Man, Jersey & Sark
1908
M
1910
G , M
1911
G , M , Q
1912
B , M
1913
B , G , M
1914
B , G , M , VX-VZ
1915
B , G , M , VY-VZ , Y , Z
1918
B , CO , EI-EZ , G , LS-LU , M , OC-OF , XE-XM , XT-XZ , Y , Z
1923
B , CO , EI-EZ , G , LS-LU , M , OC-OF , XE-XM , XT-XU , XX-XZ , Y , Z
1924
B , CO , EI-EZ , GA-GWBB , GWK-GZ , LS-LU , M , OC-OF , XE-XM , XT-XZ , Y , Z
1926
B , CO , EI-EZ , GA-GTLA , GTO-GTPA , GTZZ-GVBB , GVZZ-GWBB , GWKA-GZ , LS-LU , M , OC-OF , XE-XM , XT-XZ , Y , Z
1927
G , M
1947
 G , M , 2

GREECE
1912
SV-SW
1913
SV-SZ
1920
SV-SZ , TG-TH
1927
SV-SZ
1976
 SV-SZ , J4

GREENLAND
  see Denmark

GRENADA
1974
 J3

GUADELOUPE
 see France

GUAM
 see USA

GUANTANAMO BAY
 see USA

GUATEMALA
1918
LV
1927
TG
1938
 TD , TG

GUINEA
1959
 3X

GUINEA-BISSAU
1974
 J5

GUYANA
1966
 8R

HAITI
1927
HH
1947
 HH , 4V

HAWAII
 see USA

HEARD & MCDONALD ISLANDS
 see Australia

HONDURAS
1927
HR
1938
HQ-HR

HONG KONG
1997
 VR

HUNGARY
1910
LR  (shared with Austria)
1912
OA-OM   (shared with Austria)
1913
HA-HF , OG-OM , UN-UZ   (shared with Austria & Bosnia-Herzegovina)
1919
HA-HF , OG-OM , UO-UZ   (shared with Austria)
1920
HA
OG-OM , UO-UZ   (shared with Austria)
1921
HA
1947
 HA , HG

ICAO
1952
 4Y

ICELAND
1920
 TF

INDIA
1913
VT-VW
1923
VT-VW   (shared with Persian Gulf)
1927
VT-VW
1932
VT-VW , XY-XZ
1938
AT-AW , VT-VW
1959
 AT-AW , VT-VW , 8T-8Y

INDONESIA
1913
PK-PM
1921
AN-AP , PK-PM
1927
PK-PO , UI-UK
1932
PK-PO , YB-YH
1949
PK-PO , YB-YH
1959
PK-PO , YB-YH , 7A-7I , 8A-8I
1962
 JZ , PK-PO , YB-YH , 7A-7I , 8A-8I

INDONESIA : Netherlands New Guinea (West Irian)
1949
JZ
1962
 see Indonesia

IRAN
1926
RV
1932
EP-EQ
1959
 EP-EQ , 9B-9D

IRAQ
1927
YI
1938
 HN , YI

ISRAEL
1948
4X
1959
 4X , 4Z

ITALY
1912
 I
1921
I , UP-UZ
1924
IA-IQA , IQC-IZ , UP-UZ
1926
I , UP-UZ
1927
I

IVORY COAST
1960
 TU

JAMAICA
1962
 6Y

JAPAN
1908
J , Y
1912
J
1938
EK , EM-EO , EU-EY , HG , HL-HM , J
1947
JA-JS
1958
JA-JS , 7J , 8J
1959
 JA-JS , 7J-7N , 8J-8N

JARVIS ISLAND
 see USA

 JOHNSTON ATOLL
 see USA

JORDAN
1952
 JY

KAZAKHSTAN
1991
 UN-UQ

KENYA
1963
 5Y-5Z

KERGUELEN ARCHIPELAGO
 see France

KIRIBATI
1979
 T3

KOREA
1947
HL-HM
1948
HL-HM   (shared with Korea DPR)
1959
HL-HM , 6K-6N   (shared with Korea DPR)
1976
HL-HM , 6K-6N   (shared with Korea DPR)
D7-D9
1979
 DS-DT , HL , 6K-6N , D7-D9

KOREA DPR
1948
HL-HM   (shared with Korea)
1959
HL-HM , 6K-6N   (shared with Korea)
1976
HL-HM , 6K-6N   (shared with Korea)
P5-P9
1979
 HM , P5-P9

KYRGYZSTAN
1991
 EX

KUWAIT
1959
 9K

LAOS
1953
 XW

LATVIA
1921
KC
1927
 YL
1979
 see Russia
1991
YL

LEBANON
1938
OD   (shared with Syria)
1947
 OD

LESOTHO
1966
 7P

LIBERIA
1927
EL
1956
EL , 5L
1958
EL , 5M
1959
EL , 5L-5M
1965
EL , 5L-5M , 6Z
1976
 EL , 5L-5M , 6Z , A8 , D5

LIBYA
1951
 5A

LIECHTENSTEIN
 see Switzerland

LITHUANIA
1924
RY
1932
 LY
1979
 see Russia
1991
LYO-LYZ
1995
LY

LUXEMBOURG
1927
UL
1932
 LX

MACAO
1975
 CQ-CR , XX
1999
XX

MADAGASCAR
1960
 5R-5S , 6X

MADEIRA
 see Portugal

 MALAWI
1964
 7Q

MALAYSIA
1959
9M
1963
 9M , 9W

MALDIVES
1965
 8Q

MALI
1960
 TZ

MALTA
1964
 9H

MARSHALL ISLANDS
1986
 V7

MARTINIQUE
 see France

MAURITANIA
1960
 5T

MAURITIUS & RODRIGUES
1968
 3B

MAYOTTE
 see France

MEXICO
1911
X
1912
CP , XA-XC
1913
XA-XC
1914
XA-XD
1918
CY-CZ , XA-XF
1927
XA-XF
1947
XA-XI , 4A-4C
1959
 XA-XI , 4A-4C , 6D-6J

MICRONESIA
1986
 V6

MIDWAY ISLANDS
 see USA

MOLDOVA
1991
 ER

MONACO
1912
CQ
1927
CZ
1932
see France
1947
 3A

MONGOLIA
1947
 JT-JV

MONTENEGRO
1992
YT-YU , YZ , 4N-4O   (shared with Serbia)
2006
 4O

MONTSERRAT
 see British Colonies

MOROCCO
1912
CN
1952
CN , 5C
1959
 CN , 5C-5G

MOZAMBIQUE
1975
 C8-C9

MYANMAR
1938
 XY-XZ

NAMIBIA
1959
ZR-ZU   (shared with South Africa)
1990
 V5

NAURU
1968
 C2

NEPAL
1952
 9N

NETHERLANDS
1912
SA-SM
1913
 PA-PI
1918
PA-PI , PX-PZ
1920
PA-PI , PX-PZ , TV-TZ
1921
HD-HE , OL-OM , PA-PI , PX-PZ , TV-TZ
1927
PA-PI

NEW ZEALAND, TOKELAU & Ross
1913
VL-VM
1926
GTLB-GTNZ , VL-VM
1927
 ZK-ZM

NICARAGUA
1926
RWE-RWK
1927
YN
1938
HT , YN
1976
 HT , YN , H6-H7

NIGER
1960
 5U

NIGERIA
1960
 5N-5O

NIUE
2015
 E6

NORFOLK ISLAND
 see Australia

NORTHERN MARIANA ISLANDS
 see USA

 NORTH MACEDONIA
1991
 Z3

NORWAY, NORWEGIAN TERRITORIES & Queen Maud Land-Peter I Island
1912
CR-CT
1913
LA-LH
1918
LA-LH , LW
1920
LA-LH , LO , LW , TQ-TT
1921
AQ-AW , LA-LH , LW , TP-TU
1927
LA-LN
1947
 JW-JX , LA-LN , 3Y

OMAN
1971
 A4

PAKISTAN
1947
AP-AS
1959
 AP-AS , 6P-6S

PALAU
1994
 T8

PALESTINE (WEST BANK & GAZA STRIP)
1998
 E4

PALMYRA ATOLL & KINGMAN REEF
 see USA

PANAMA
1924
RX
1932
HP
1938
HO-HP
1968
HO-HP , 3E-3F
1976
HO-HP , 3E-3F , H3
1979
 HO-HP , 3E-3F , H3 , H8-H9

PAPUA NEW GUINEA
1975
 P2

PARAGUAY
1927
 ZP

PERU
1918
OA-OB
1929
OA-OC
1947
 OA-OC , 4T

PHOENIX ISLANDS
1912
see British Colonies
1939
see British Colonies and USA Territories
1979
 see Kiribati

PILIPINAS
1910
PI
1912
see USA Territories
1946
 DU-DZ , 4D-4I

PITCAIRN ISLANDS
 see British Colonies

 POLAND
1923
AX
1927
SP-SR
1932
SO-SR
1938
HF , SN-SR
1947
 HF , SN-SR , 3Z

POLAND : Danzig
1923
DT , KAZ
1927
YM
1939
see Poland

PORTUGAL, AZORES & MADEIRA
1912
CU
1913
CR-CT
1918
CR-CU , PQ
1920
CS-CU , PQ-PS
1927
CS-CU
1999
CQ-CU

PORTUGAL : Portuguese Colonies
1920
CR
1929
CQ-CR
1938
CQ-CR , XX
1975
see Macao

PRINCE EDWARD ISLANDS
 see South Africa

PUERTO RICO
 see USA

QATAR
1971
 A7

REUNION & SCATTERED ISLANDS
 see France

RODRIGUES
 see Mauritius

ROMANIA
1912
CV
1932
 YO-YR

RUSSIA
1908
B
1912
 R
1923
RA-RQ
1932
R , U
1938
R , U , YK , YX-YZ
1947
EK , EM-EO , ER , EU-EZ , R , UA-UQ , UU-UZ , 4J-4L
1959
EK , EM-EO , ER , EX-EZ , R , UA-UQ , UU-UZ , 4J-4L
1979
EK , EM-EO , ER-ES , EX-EZ , LY , R , UA-UQ , UU-UZ , YL , 4J-4L
1991
 EM-EO , LYA-LYN , R , UA-UI , UR-UZ
1995
R , UA-UI

RWANDA
1959
9O-9U   (shared with Belgian Congo & Burundi)
1960
9U   (shared with Burundi)
1962
 9X

SAHARA
1920
see Spain
1975
 see Morocco

ST. BARTHELEMY
 see France

ST. HELENA
 see British Colonies

ST. KITTS-NEVIS
1983
 V4

SAINT LUCIA
1979
 J6

ST. MAARTEN
 see Curazao

SAINT MARTIN
 see France

ST. PAUL & AMSTERDAM ISLANDS
 see France

ST. PIERRE & MIQUELON
 see France

 ST. VINCENT & THE GRENADINES
1979
 J8

EL SALVADOR
1927
YS
1938
 HU , YS

SAMOA
1962
 5W

SAN MARINO
1952
9A
1984
 T7

S. TOME & PRINCIPE
1975
 S9

SAUDI ARABIA
1927
UH
1932
HZ
1959
 HZ , 7Z , 8Z

SENEGAL
1960
 6V-6W

SERBIA
1921
HF , UN   (shared with Croatia & Slovenia)
1927
UN   (shared with Croatia & Slovenia)
1929
UN
1932
 YT-YU
1947
YT-YU , YZ , 4N-4O
1992
YT-YU , YZ , 4N-4O   (shared with Montenegro)
2006
YT-YU , YZ , 4N
2007
YT-YU

SEYCHELLES
1976
 S7

SIERRA LEONE
1961
 9L

SINGAPORE
1965
9V
1979
 9V , S6

SLOVAKIA
1921
OK   (shared with Czechia)
1938
OK-OM   (shared with Czechia)
1993
 OM

SLOVENIA
1921
HF , UN   (shared with Serbia & Croatia)
1927
UN   (shared with Serbia & Croatia)
1929
see Serbia
1991
 S5

SOLOMON ISLANDS
1978
 H4

SOOMAALIYA
1959
6O
1979
 6O , T5

SOUTH AFRICA & PRINCE  EDWARD ISLANDS
1913
VN
1927
ZS-ZU
1938
ZR-ZU
1959
ZR-ZU   (shared with South West Africa)
1990
ZR-ZU
1994
ZR-ZU , S8
  
SOUTH AFRICA : Transkei
1976
S8
1994
 see South Africa
  
SOUTH SUDAN
2011
 Z8

SPAIN & CANARIES
1912
SX-SZ
1913
EA-EG
1918
CL-CM , CX , EA-EH , HL-HNU
1920
CL-CM , CX , EA-EH , HL-HNU , TI-TM
1921
CL-CM , CX , EA-EH , HL-HNU , TI-TO
1927
EA-EH
1952
 AM-AO , EA-EH

SPRATLY ISLANDS
 see unassigned

SRI LANKA
1959
 4P-4S

SUDAN & ABYEI
1959
 SSN-ST , 6T-6U

SURINAME
1913
PJN-PJZ
1927
 PZ

SWAN ISLANDS
1912
see USA Territories
1972
 see Honduras

SWEDEN
1911
GS
1912
SN-SO , UN-UZ
1913
SA-SM
1959
 SA-SM , 7S , 8S

SWITZERLAND & LIECHTENSTEIN
1920
HB
1938
 HB , HE

SYRIA
1938
OD  (shared with Lebanon)
1947
YK
1959
 YK , 6C

TAJIKISTAN
1991
 EY

TANZANIA
1961
 5H-5I

THAILAND
1913 HG-HH
1927
HS
1991
 HS , E2

TIMOR EAST
2002
 4W

TOGO
1960
 5V

TOKELAU
 see New Zealand

 TONGA
1972
 A3

TRINIDAD & TOBAGO
1962
 9Y-9Z

TRISTAN DA CUNHA
 see British Colonies

TUNISIA
1959
TSA-TSM , 3V
1960
 TS , 3V

TURKEY
1912
TA-TM
1920
TA-TE
1927
TA-TC
1947
 TA-TC , YM

TURKMENISTAN
1991
 EZ

TURKS & CAICOS
 see British Colonies

TUVALU
1978
 T2

UGANDA
1962
 5X

UKRAINE
1947
UR-UT
1995
 EM-EO , UR-UZ

UNITED NATIONS
1947
 4U

URUGUAY
1912
CW
1927
CW-CX
1932
 CV-CX

USA, ALASKA, HAWAII & USA TERRITORIES
1909
N
1912
N , W
1913
KD-KZ , N , W
1927
K , N , W
1947
 AA-AL , K , N , W

UZBEKISTAN
1991
 UJ-UM

VANUATU
1918
HNV-HNZ
1927
YH
1932
 YJ

VATICAN
1931
 HV

VENEZUELA
1923
AY
1927
YV
1932
YV-YW
1947
 YV-YY , 4M

VIET NAM
1952
3W
1959
 XV , 3W

VIRGIN ISLANDS
 see USA

WAKE ISLAND
 see USA

WALLIS & FUTUNA
 see France

WEST BANK
 see Palestine

WMO
1976
 C7

YEMEN
1947
4W
1990
 7O

YEMEN : Yemen PDR
1967
7O
1990
 see Yemen

ZAMBIA
1964
 9I-9J

ZIMBABWE
1980
 Z2

Unassigned
2015
  4N , E8-E9 , H5 , J9 , O2-O9 , S4 , T9 , U2-U9 , V9 , X2-X9 , Z4-Z7 , Z9


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