ICAO codes by country and region
| From | To | Region |
|---|---|---|
| AAAA | DZZZ | South-west Pacific, Arctic Circle, Canada, West Africa |
| EAAA | EZZZ | Northern Europe |
| FAAA | FVZZ | Africa |
| FWAA | HZZZ | Africa |
| KAAA | KZZZ | United States of America |
| LAAA | LZZZ | Southern Europe |
| MAAA | NZZZ | Central America, Southern Pacific |
| OAAA | OZZZ | Middle East |
| PAAA | RZZZ | United States of America, Northern Pacific, Eastern Pacific Rim |
| SAAA | SZZZ | South America |
| TAAA | UZZZ | Caribbean, Russian Federation |
| VAAA | WZZZ | Far East |
| YAAA | YZZZ | Australia |
| ZAAA | ZZZZ | China, Mongolia, North Korea |
| Examples | |||||||
|---|---|---|---|---|---|---|---|
| L | Southern Europe | L | Southern Europe | L | Southern Europe | E | Northern Europe |
| Y | Serbia (Yugoslavia) | E | España | O | Österreich | S | Sweden |
| B | Belgrade Nikola Tesla Intl. |
M | Madrid Barajas Intl. |
W | Wien Schwechat |
S | Stockholm |
| E | D | W | A | Arlanda | |||
| Code | Country |
|---|---|
| OA | Afghanistan |
| PA | Alaska |
| LA | Albania |
| DA | Algeria |
| NS | American Samoa |
| FN | Angola |
| TQ | Anguilla |
| TA | Antigua and Barbuda |
| SA | Argentina |
| UG | Armenia and Georgia |
| TN | Aruba / Netherlands Antilles |
| FH | Ascension Islands |
| YB | Australia |
| YM | Australia |
| LO | Austria |
| UB | Azerbiajan |
| MY | Bahamas |
| OB | Bahrain |
| VG | Bangladesh |
| TB | Barbados |
| UM | Belarus, Latvia and Lithuania |
| EB | Belgium |
| MZ | Belize |
| DB | Benin |
| TX | Bermuda |
| SL | Bolivia |
| LQ | Bosnia and Herzegovinia |
| FB | Botswana |
| SB | Brazil |
| WB | Brunei |
| LB | Bulgaria |
| DF | Burkina Faso |
| HB | Burundi |
| VD | Cambodia |
| FK | Cameroon |
| CY | Canada |
| GC | Canary Islands |
| GV | Cape Verde |
| MW | Cayman Islands |
| FT | Chad |
| SC | Chile |
| ZB | China |
| ZG | China |
| ZH | China |
| ZL | China |
| ZP | China |
| ZS | China |
| ZU | China |
| ZW | China |
| ZY | China |
| SK | Colombia |
| FC | Congo |
| NC | Cook Islands |
| MR | Costa Rica |
| LD | Croatia |
| MU | Cuba |
| LC | Cyprus |
| LK | Czech Republic |
| FZ | Democratic Republic of Congo |
| EK | Denmark |
| FJ | Diego Garcia |
| HD | Djibouti |
| TD | Dominica |
| MD | Dominican Republic |
| HE | Egypt |
| MS | El Salvador |
| SE | Equador |
| FG | Equatorial Guinea |
| HH | Eritrea |
| EE | Estonia |
| HA | Ethiopia |
| NF | Fiji |
| EF | Finland |
| LF | France |
| TF | French Antilles |
| SO | French Guyana |
| FO | Gabon |
| GB | Gambia |
| ED | Germany - Civil |
| ET | Germany - Military |
| DG | Ghana |
| LX | Gibralter |
| LG | Greece |
| BG | Greenland |
| TG | Grenada |
| PG | Guam |
| MG | Guatemala |
| GU | Guinea |
| GG | Guinea Bissau |
| SY | Guyana |
| MT | Haiti |
| PH | Hawaii |
| MH | Honduras |
| VH | Hongkong |
| LH | Hungary |
| BI | Iceland |
| VE | India - East |
| VI | India - North |
| VO | India - South |
| VA | India - West |
| WA | Indonesia |
| WI | Indonesia |
| WR | Indonesia - Bali |
| OI | Iran |
| OR | Iraq |
| EI | Ireland |
| LL | Israel |
| LI | Italy |
| DI | Ivory Coast |
| MK | Jamaica |
| RJ | Japan |
| PJ | Johnston Islands |
| OJ | Jordan |
| UA | Kazakhstan and Kyrgyzstan |
| HK | Kenya |
| NG | Kiribati Islands |
| RK | Korea |
| OK | Kuwait |
| VL | Laos |
| EV | Latvia |
| OL | Lebanon |
| FX | Lesotho |
| GL | Liberia |
| HL | Libya |
| PL | Line Islands |
| EY | Lithuania |
| EL | Luxembourg |
| VM | Macau |
| LW | Macedonia |
| FM | Madagascar |
| FW | Malawi |
| WM | Malaysia |
| VR | Maldives |
| GA | Mali |
| LM | Malta |
| PK | Marshall Islands |
| GQ | Mauritania |
| FI | Mauritius |
| GE | Melilla |
| MM | Mexico |
| PT | Micronesia |
| PM | Midway Islands |
| LU | Moldova |
| ZM | Mongolia |
| TT | Monserrat Islands |
| GM | Morocco |
| FQ | Mozambique |
| VY | Myanmar |
| FY | Namibia |
| AN | Nauru Islands |
| VN | Nepal |
| EH | Netherlands |
| NZ | New Zealand |
| MN | Nicaragua |
| DR | Niger |
| DN | Nigeria |
| NI | Niue Islands |
| ZK | North Korea |
| EN | Norway |
| NW | Noumea |
| RO | Okinawa Islands |
| OO | Oman |
| OP | Pakistan |
| MP | Panama |
| AY | Papua New Guinea |
| SG | Paraguay |
| SP | Peru |
| RP | Philippines |
| EP | Poland |
| LP | Portugal |
| TJ | Puerto Rico |
| OT | Qatar |
| FE | Republic of Central Africa |
| LR | Romania |
| UE | Russian Federation |
| UH | Russian Federation |
| UI | Russian Federation |
| UL | Russian Federation |
| UN | Russian Federation |
| UR | Russian Federation |
| US | Russian Federation |
| UU | Russian Federation |
| UW | Russian Federation |
| HR | Rwanda |
| FP | Sao Tome |
| OE | Saudi Arabia |
| GO | Senegal |
| LY | Serbia |
| FS | Seychelles |
| GF | Sierra Leone |
| WS | Singapore |
| LZ | Slovakia |
| LJ | Slovenia |
| AG | Solomon Islands |
| FA | South Africa |
| LE | Spain |
| VC | Sri Lanka |
| TK | St. Kitts Islands |
| TL | St. Lucia |
| HS | Sudan |
| SM | Surinam |
| FD | Swaziland |
| ES | Sweden |
| LS | Switzerland |
| OS | Syria |
| NT | Tahiti |
| RC | Taiwan |
| HT | Tanzania |
| VT | Thailand |
| DX | Togo |
| TU | Trinidad and Tobago |
| DT | Tunisia |
| LT | Turkey |
| MB | Turks and Caicos Islands |
| TV | U.K Virgin Islands |
| TI | U.S. Virgin Islands |
| HU | Uganda |
| UK | Ukraine and Moldovia |
| OM | United Arab Emirates |
| EG | United Kingdom |
| K | United States |
| SU | Uruguay |
| UT | Uzbekistan, Turkmenistan and Tadjikistan |
| NV | Vanuatu |
| SV | Venezuela |
| VV | Vietnam |
| PW | Wake Islands |
| NL | Wallis Islands |
| OY | Yemen |
| FL | Zambia |
| FV | Zimbabwe |