Prewar International Designator Allocation

After 1912 London1920 Washington
(Provisional)
1927 Washington1932 Madrid1938 Cairo1947 Atlantic City1959 Geneve1979 GeneveAfter 1979 Geneve
AGermany         AA-ALUnited States
  AM-AOSpain
AP-ASPakistan
AT-AWIndia
AXAustralia
AY-AZArgentina
BGreat Britain         BChina
    CA-CEChile
CBBolivia
CCCuba
 
CEChile
  CF-CKCanada
CL-CMCuba
CNMorocco CNMorocco
CO-CPChile   COCuba
CP-CRPortugal CPBolivia
CQMonaco   CQ-CRPortuguese colonies CQ-CUPortugal
CR-CTPortugal CRPortuguese colonies
  CS-CUPortugal
  CU-CVRoumania
CVRoumania CVRoumania CV-CXUruguay
CWUruguay CW-CXUruguay
   
  CY-CZCanada
CZMonaco
DGermany DA-DMGermany DGermany DA-DMGermany DA-DTGermany DA-DRWest Germany
  DN-DQBelgian Congo
DR-DTBelarus
DS-DTSouth Korea
DU-DZPhilippines
After 1912 London1920 Washington
(Provisional)
1927 Washington1932 Madrid1938 Cairo1947 Atlantic City1959 Geneve1979 GeneveAfter 1979 Geneve
EA-EGSpain EA-EHSpain
     
EIIreland EI-EJIreland
   
EKJapan EKSoviet EKArmenia
ELLiberia
    EM-EOJapan EM-EOSoviet EM-EOUkraine
EP-EQPersia > Iran
EQEquador  
    ERJapan ERSoviet ER-ESSoviet ERMoldova
ESEstonia ESEstonia
ETEthiopia
    EU-EYJapan EU-EZSoviet EU-EWBelarus
EX-EZSoviet EXKyrgys
EYTajikistan
EZZaar EZGeramny EZTurkmenistan
FFrance
GGreat Britain
HA-HFAustria-Hungary and Bosnia-Herzegovina HA-HEAustria HAHangary
HBSwitzerland
HCEcuador HC-HDEcuador
   
HESwitzerland
  HFPoland
HG-HHSiam HGJapan HGHungary
HHHaiti
  HIDominica
HJColumbia HJ-HKColumbia
 
    HL-HMJapan HL-HMChosen > South Korea HLSouth Korea
HMNorth Korea
HNIraq
HO-HPPanama
HQ-HRHonduras
HRHonduras
HSSiam > Thai
      HTNicaragua
HUSalvador > El Salvador
HVVatican
  HW-HYFrance
HZHedjaz > Saudi Arabia
IItaly IA-IMItaly IItaly
 
JJapan JA-JMJapan JJapan JA-JSJapan
 
JT-JVMongol
JW-JXNorway
  JYJordan
JZDutch New Guinea > Indonesia
After 1912 London1920 Washington
(Provisional)
1927 Washington1932 Madrid1938 Cairo1947 Atlantic City1959 Geneve1979 GeneveAfter 1979 Geneve
KA-KCGermany KUnited States
KD-KZUnited States
LA-LHNorway LA-LMNorway LA-LNNorway
LI-LRArgentine
 
LO-LVArgentine LO-LWArgentine
LP-LQArgentine
LRLiberia
   
LVGuatemara
LW-LXBulgaria  
LX-LZBulgaria LXLuxembourg
LYHedjaz LYLithuania
LZCzechslovakia LZBulgaria
MGreat Britain
NUnited States
  OA-OEBelgium OA-OBPeru OA-OCPeru
 
  ODSyrian-Lebanon > Lebanon
OEAustria
  OF-OHFinland OF-OJFinland
OG-OMAustria-Hungary and Bosnia-Herzegovina
OHFinland
   
OKCzechslovakia OK-OMCzechslovakia OK-OLCzech
   
OMSlovak
ON-OTBelgium ON-ORDenmark ON-OTBelgium
 
OU-OZDenmark OUPeru OU-OZDenmark
 
PA-PINetherlands PA-PGBrazil PA-PINetherlands
 
PJA-PJMCuracao (Dutch) PJCuracao > Dutch Antilles
PJN-PJZSurinam (Dutch)
PK-PMDutch East Indies PK-PODutch Indies > Indonesia
 
PPPoland PP-PYBrazil
 
PT-PZNetherlands
PZSurinam
QReserved for code abbreviations
RRussia RA-RGRussia RA-RQSoviet RSoviet > Russia
 
 
RVPersia
 
RXPanama
RYLithuania
 
After 1912 London1920 Washington
(Provisional)
1927 Washington1932 Madrid1938 Cairo1947 Atlantic City1959 Geneve1979 GeneveAfter 1979 Geneve
SA-SMSweden
SN-STBrazil SNGreece     SN-SRPoland
  SO-SRPoland
SPPanama SP-SRPoland
 
    SS-SUEgypt SSA-SSMEgypt
SSN-STSudan
ST-SUEgypt
SUEgypt SUEgypt SUEgypt
SV-SZGreece SV-SZGreece
TA-TMTurkey TA-TBTurkey TA-TCTurkey
 
    TDGuatemala
TECosta Rica
TFIceland
TGGuatemala
    THFrance
TICosta Rica
    TJ-TZFrance TJ-TRFrance TJCameroon
TK-TZFrench colonies TKFrance
TLCentral Africa
TMFrance
  TNCongo
TO-TQFrance
TRGabon
TSSaar TSA-TSMTunisia TSTunisia
TSN-TZFrance
  TTChad
TUCote d'Ivoire
TV-TXFrance
TYBenan
TZMali
After 1912 London1920 Washington
(Provisional)
1927 Washington1932 Madrid1938 Cairo1947 Atlantic City1959 Geneve1979 GeneveAfter 1979 Geneve
UA-UMFrance     USoviet UA-UQSoviet UA-UI,UJ-UM,UN-UQ UA-UIRussia
UHHedjaz
UI-UKDutch Indies
UJ-UMUzbekistan
ULLuxembourg
 
UN-UZAustria-Hungary and Bosnia-Herzegovina UNSerbia, Croatia, Slovenia UN-UQKazakhstan
UOAustria
 
UR-UTUkraine UR-UZUkraine
UU-UZSoviet
VA-VGCanada (British) VA-VCFinland VA-VGCanada
 
VH-VKAustralian Federation (British) VH-VMAustralia VH-VNAustralia
VL-VMNew Zealand (British)
VNSouth African Union (British)    
VONewfoundland (British) VONewfoundland > Canada
VP-VSBritish colonies not autonomous VP-VSBritish colonies not autonomous > Great Britain VP-VQGreat Britain
VRChina
VSGreat Britain
VT-VWBritish India VT-VWBritish India > India
    VX-VYCanada
  VZAustralia
WUnited States
XA-XCMexico XA-XEMexico XA-XFMexico XA-XIMexico
 
 
XG-XUChina
XHHonduras
 
XJ-XOCanada
XNChina
 
XPDenmark
XQ-XRChile
XSYugoslavia XSChina
  XT-XWFrance XTFrance XTHaute Volta > Burkina Faso
XUCambodia
    XV-XWFrace XVViet Nam
XWLaos
XXPortuguese colonies > Portugal
XY-XZBritish India > Burma > Myanmer
After 1912 London1920 Washington
(Provisional)
1927 Washington1932 Madrid1938 Cairo1947 Atlantic City1959 Geneve1979 GeneveAfter 1979 Geneve
    YAAfganistan
  YB-YHDutch Indies > Indonesia
YHNew Hebrides
YIIraq
  YJNew Hebrides > Vanuatu
  YKSoviet YKSyria
YLLatvia YLSoviet YLLatvia
YMDanzig YMTurkey
YNNicaragua
  YO-YRRomania
YSSalvador > El Salvador
  YT-YUYugoslavia
YVVenezuela YV-YWVenezuela YV-YYVenezuela
 
  YY-YZSoviet
YZYugoslavia YZSerbia and Montenegro
  ZGreat Britain ZAAlbania
  ZB-ZJBritish colonies > Great Britain
ZK-ZMNew Zealand
    ZN-ZOBritish colonies > Great Britain
ZPParaguay
    ZQBritish colonies > Great Britain
ZR-ZUSouth Africa
ZS-ZUSouth Africa
    ZV-ZZBrazil
After 1912 London1920 Washington
(Provisional)
1927 Washington1932 Madrid1938 Cairo1947 Atlantic City1959 Geneve1979 GeneveAfter 1979 Geneve