| IATA | ICAO | City | Region | State | Country | INV | | Inverness | | Scotland | Great Britain |
IOA | | Ioannina | | | Greece |
IOM | | Isle of Man | | Isle of Man | Great Britain |
IOS | | Ilheus | | Bahia | Brazil |
IPH | | Ipoh | | | Malaysia |
IPI | | Ipiales | | | Colombia |
IQQ | | Iquique | | | Chile |
IQT | | Iquitos | | | Peru |
ISB | | Islamabad | | | Pakistan |
ISC | | Isles of Scilly | | Isles of Scilly | Great Britain |
ISP | | Islip | | NEW YORK | USA |
IST | | Istanbul | | | Turkey |
ITH | | Ithaca | | NEW YORK | USA |
IWD | | Ironwood | | MICHIGAN | USA |
IYK | | Inyokern | | CALIFORNIA | USA |
IZO | | Izumo | | | Japan |
JAV | | Ilulissat | | Greenland | Denmark |
SHC | | Indaselassie | | | Ethiopia |
XIB | | Ingersoll | | Ontario | Canada |
YEV | | Inuvik | | Northwest Territories... | Canada |
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