What is the city code for Atlanta, Georgia?

The city code for Atlanta, Georgia, is ATL. This code is derived from the airport serving the city, Hartsfield-Jackson Atlanta International Airport, which is one of the busiest airports in the world. The code itself is a combination of the beginning letters of Atlanta, which makes it easily recognizable and relatable to the city it represents.

The other options refer to different cities: BNA is the code for Nashville, Tennessee; DAL represents Dallas Love Field Airport in Dallas, Texas; and HOU corresponds to William P. Hobby Airport in Houston, Texas. Understanding these city codes is crucial for identifying airports and the cities they serve, especially in the context of airline operations and travel planning.