What are the 3 letters for airports called?

An IATA airport code, also known as an IATA location identifier, IATA station code, or simply a location identifier, is a three-letter geocode designating many airports and metropolitan areas around the world, defined by the International Air Transport Association (IATA).



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The International Air Transport Association's (IATA) Location Identifier is a unique 3-letter code (also commonly known as IATA code) used in aviation and also in logistics to identify an airport.

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Airport coding first began in the 1930s, and airlines typically chose their own two-letter codes. By the late 1940s, there were too many airports, and the system shifted to the three-letter code we know today. Los Angeles International Airport, for instance, was originally just “LA,” but became LAX in 1947.

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Different kinds of codes have different number of letters. IATA codes for airports have 3 letters, while IATA codes for airlines have two. IATA codes for meals have 4 letters.

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'London's largest airport, Heathrow, is hemmed in by the suburbs and limited to just two runways,' he explains. 'Because it can't expand, the demand for air travel is met by smaller, single-runway airports around the South-East: Gatwick, Stansted, Luton and Southend.

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Heathrow Airport in London is the UK's largest and busiest airport as well as being the busiest airport in Europe and the seventh busiest in the world based on passenger traffic.

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Leeds Bradford has a CAA Public Use Aerodrome Licence (Number P800) that allows flights for passenger transport and flight training. The airport operates to many domestic and European destinations. It is the highest airport in England at an elevation of 681 ft (208 m).

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