Find three letter airport city codes for major airports world-wide Click on the letter that corresponds to the initial of the city or town for which you need the three letter airport code and you will see a list of all cities or towns in the world that begin with that letter together with their city and airport code.
Some cities have several airports.
In these cities the city itself gets a code and each airport also gets a code. For example, PAR is the city code for Paris, France , CDG is the airport code for Charles De Gaulle and ORY is the airport code for Orly.