- See also: List of airports by IATA and ICAO code
- ^1 TCI is common IATA code for Tenerife–South Airport (IATA: TFS) and Tenerife–North Airport (IATA: TFN).
- ^2 TYO is common IATA code for Narita International Airport (IATA: NRT), Haneda Airport (IATA: HND) and Yokota Air Base (IATA: OKO).
- "United Nations Code for Trade and Transport Locations". UN/LOCODE 2011-2. UNECE. 28 February 2012. - includes IATA codes
- "ICAO Location Indicators by State" (PDF). International Civil Aviation Organization. 17 September 2010.
- Aviation Safety Network - IATA and ICAO airport codes
- Great Circle Mapper - IATA, ICAO and FAA airport codes