What is the airport code for Atlanta, Georgia?

The airport code for Atlanta, Georgia, is ATL. This code is derived from the city's name, specifically using the first three letters. Hartsfield-Jackson Atlanta International Airport, one of the busiest airports in the world, serves as a major hub for domestic and international flights. The use of three-letter codes is standardized by the International Civil Aviation Organization (ICAO) and the International Air Transport Association (IATA), and each code is unique to its respective airport. ATL has become widely recognized and commonly used in airline operations, ticketing, and travel itineraries, making it an essential part of air travel terminology associated with Atlanta.