ICAO airport code - Wikipedia
https://en.wikipedia.org/wiki/ICAO_airport_code
OverviewICAO codes versus IATA codesStructurePseudo ICAO-codesSee alsoExternal linksICAO codes are separate and different from IATA codes, the latter of which have three letters and are generally used for airline timetables, reservations, and baggage tags. For example, the IATA code for London's Heathrow Airport is LHR and its ICAO code is EGLL. IATA codes are commonly seen by passengers and the general public on flight-tracking services such as FlightAware. In general IATA codes are usually derived from the name of the airport or the city it serves, whil…
DA: 60 PA: 65 MOZ Rank: 87