Which city code corresponds to Jacksonville, Florida?

The city code that corresponds to Jacksonville, Florida, is JAX. This code is derived from the first three letters of the city's name, making it easy to remember for travelers and those in the aviation industry. City codes, often known as IATA codes, are standardized abbreviations that help identify airports or cities conveniently and efficiently.

In this case, JAX has become widely recognized as the airport code for Jacksonville International Airport, serving as a primary identifier for flights to and from this location. This standardization is crucial for ensuring clarity in flight schedules, ticketing, and other travel-related communications. Jacksonville's usage of JAX exemplifies how city codes are typically formulated to promote ease of recognition and usage in the context of air travel.

The other options represent different cities and their respective airports but do not align with Jacksonville, Florida. For instance, MIA is the code for Miami International Airport, PBI pertains to Palm Beach International Airport, and RSW is used for Southwest Florida International Airport in Fort Myers. Each of these has its unique city code, but they are not applicable to Jacksonville.