Dear friends, here is the list of the codes of the nations in the world in two letters that I place mainly because I found myself searching for them on the internet quite frequently but that I also make available here for you.
AD = ANDORRA
AE = ARAB EMIRATES (FEDERATION OF)
AF = AFGHANISTAN
AG = ANTIGUA AND BEARD
AI = ANGUILLA
AL = ALBANIA
AM = ARMENIA
AN = DUTCH ANTILLES
AO = ANGLE
AQ = ANTARTIC
AR = ARGENTINE
AS = AMERICAN SAMOA
AT = AUSTRIA
AU = AUSTRALIA
AW = ARUBA
AZ = AZERBAIJAN
BA = BOSNIA-HERZEGOVINA
BB = BARBADOS
BD = BANGLA DESH
BE = BELGIUM
BF = BURKINA FASO (HIGH VAULT)
BG = BULGARIA
BH = BAHREIN
BI = BURUNDI
BJ = BENIN
BM = BERMUDE
BN = DARUSSALAM BRUNEI
BO = BOLIVIA
BR = BRAZIL
BS = BAHAMAS
BT = BHUTAN
BU = BURMANY
BV = BOUVET (ISLAND)
BW = BOTSWANA
BY = BELARUS (BELARUS)
BZ = BELIZE
CA = CANADA
CC = COCOSKEELING ISLANDS
CF = CENTRAL AFRICAN REPUBLIC
CG = CONGO
CH = SWITZERLAND
US = IVORY COAST
CK = COOK (ISLAND)
CL = CHILE
CM = CAMERUN
CN = CHINA
CO = COLOMBIA
CR = COSTA RICA
CS = CZECHOSLOVAKIA
CU = CUBA
CV = CAPE VERDE (ISLANDS OF)
CX = CHRISTMAS (ISLAND)
CY = CYPRUS
CZ = CZ REPUBLIC
DD = EAST GERMANY
DE = GERMANY
DJ = JIBUTI
DK = DENMARK
DM = DOMINIQUE
DO = DOMINICAN REPUBLIC
DZ = ALGERIA
EC = EQUADOR
EE = ESTONIA
EG = EGYPT
EH = WESTERN SAHARA
ER = ERITREA
ES = SPAIN
ET = ETHYOPIA
FI = FINLAND
FJ = FIJI
FK = FALKLAND (ISLANDS)
FM = MICRONESIA
FO = FAEROER (ISLANDS)
FR = FRANCE
GA = GABON
GB = GREAT BRITAIN
GD = GRENADE
GE = GEORGIA
GF = FRENCH GUYANA
GH = GHANA
GI = GIBRALTAR
GL = GREENLAND
GM = LEG
GN = GUINEA
GP = GUADALUPE
GQ = EQUATORIAL GUINEA
GR = GREECE
GS = SOUTH GEORGIA
GT = GUATEMALA
GU = GUAM
GW = GUINEA BISSAU
GY = GUYANA
HK = HONG KONG
HM = HEART AND MAC DONALD (ISLANDS)
HN = HONDURAS
HR = CROATIA
HT = HAITI
HU = HUNGARY
ID = INDONESIA
IE = IRELAND
IL = ISRAEL
IN = INDIA
IO = INDIAN OCEAN (BRITISH TERR. OF)
IQ = IRAQ
IR = IRAN
IS = ICELAND
IT = ITALY
JM = JAMAICA
JO = JORDAN
JP = JAPAN
KE = KENIA
KG = KYRGYZSTAN
KH = CHANGE
KI = KIRIBATI
KM = COMOROS
KN = ST. KITTS-NEVIS
KP = KOREA REPUBBL. DEMOCR. POPULAR
KR = KOREA REPUBLIC
KW = KUWAIT
KY = CAYMANS (ISLANDS)
KZ = KAZAKHSTAN
LA = LAOS
LB = LEBANON
LC = SAINTE LUCIE
LI = LIECHTENSTEIN
LK = SRI LANKA
LR = LIBERIA
LS = LESOTHO
LT = LITHUANIA
LU = LUXEMBOURG
LV = LATVIA
LY = LIBYA
MA = MOROCCO
MC = MONACO
MD = MOLDAVIAREPUBBLICA
MG = MADAGASCAR
MH = MARSHALL (ISLANDS)
MK = MACEDONIA
ML = MALI
MM = MYANMAR
MN = MONGOLIA
MO = MACAO
MP = NORTHERN MARIANA ISLANDS
MQ = MARTINICS
MR = MAURITANIA
MS = MONTSERRAT
MT = MALT
MU = MAURIZIO
MV = MALDIVE
MW = MALAWI
MX = MEXICO
MY = MALESIA
MZ = MOZAMBIQUE
NA = NAMIBIA
NC = NEW CALEDONIA
NE = NIGER
NF = NORFOLK (ISLAND)
NG = NIGERIA
NI = NICARAGUA
NL = NETHERLANDS
NN = NOT KNOWN
NO = NORWAY
NP = NEPAL
NR = NAURU
NT = NEUTRAL ZONE
NU = NIOUE (ISLAND)
NZ = NEW ZEALAND
OM = OMAN
PA = PANAMA
PE = PERU
PF = FRENCH POLYNESIA
PG = PAPUA NEW GUINEA
PH = PHILIPPINES
PK = PAKISTAN
PL = POLAND
PM = SAINT PIERRE AND MIQUELON
PN = PITCAIRN (ISLANDS)
PR = PORTORICAL
PT = PORTUGAL
PW = PALAU
PY = PARAGUAY
QA = QATAR
RE = REUNION
RO = ROMANIA
RU = RUSSIA FEDERATION OF
RW = RUANDA
SA = SAUDI ARABIA
SB = SOLOMON ISLANDS
SC = SEYCHELLES
SD = SOUTH
IF = SWEDEN
SG = SINGAPORE
SH = SAINTE HELENE
SI = SLOVENIA
SJ = SVALBARD AND JAN MAYEN (ISLANDS)
SK = SLOVAKIA
SL = LION SIERRA
SM = SAN MARINO
SN = SENEGAL
SO = SOMALIA
SR = SURINAME
ST = SAINT THOMAS AND PRINCE
SU = USSR
SV = EL SALVADOR
SY = SYRIA
SZ = SWAZILAND
TC = TURKS AND CAIQUES (ISLANDS)
TD = CIAD
TF = FRENCH SOUTHERN TERRITORIES
TG = TOGO
TH = TAILAND
TJ = TAGICHISTAN
TK = TOKELAU
TM = TURKMENISTAN
TN = TUNISIA
TO = TONGA
TP = EAST TIMOR
TR = TURKEY
TT = TRINIDAD AND TOBAGO
TV = TUVALU (ELLICE) (ISLAND)
TW = TAIWAN
TZ = TANZANIA
UA = UKRAINE
UG = UGANDA
UM = UNITED STATES (DISTANT MINOR ISLANDS OF THE)
UN = UNDETERMINED COUNTRY
US = UNITED STATES
UY = URUGUAY
UZ = USBECHISTAN
VA = VATICAN
VC = SAINT VINCENT AND GRANADINE
VE = VENEZUELA
VG = BRITISH VIRGINS (ISLANDS)
VI = AMERICAN VIRGINS (ISLANDS)
VN = VIETNAM
VU = VANAUTU
WF = WALLIS AND FORTUNE (ISLANDS)
WS = SAMOA
YD = SOUTH YEMEN
YE = YEMEN
YT = MAYOTTE
YU = YUGOSLAVIA
ZA = SOUTH AFRICA
ZM = ZAMBIA
ZR = ZAIRE
ZW = ZIMBABWE
In the hope of having done something pleasing to you, I take the opportunity to send you a dear virtual greeting.