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1919 Country Prefixes

As adopted at the first meeting of ICAN/CINA 13 October 1919


United States of AmericaN
British EmpireG
FranceF
ItalyI
JapanJ
 
HedjazA-H
NicaraguaA-N
BoliviaC-B
CubaC-C
PortugalC-P
RoumaniaC-R
UruguayC-U
EcuadorE-E
HaitiH-H
SiamH-S
CzechoslovakiaL-B
GuatemalaL-G
LiberiaL-L
BelgiumO-B
PeruO-P
BrazilP-B
PolandP-P
GreeceS-G
PanamaS-P
ChinaX-C
HondurasX-H
Serbia-Croatia-SlavoniaX-S

Using a group of 4 letters out of the 26 of the alphabet
Each group containing at least one vowel eg: ADCJ PURN. The letter 'Y' is considered to be a vowel