What is the airport code for Jackson, Florida?

The airport code for Jackson, Florida is JAX. This code is derived from Jacksonville International Airport, which is the primary airport serving the city of Jacksonville. Airport codes are typically assigned based on the name or location of the airport, often taking the first few letters from the city or the airport's name. In this case, the "J" stands for Jacksonville, and the "AX" are the next unique letters from "Jacksonville," resulting in JAX.

The other options correspond to different locations: JAN is for Jackson, Mississippi; JFK is for John F. Kennedy International Airport in New York; and LEX is the code for Lexington, Kentucky. Each of these codes is uniquely assigned to ensure clear identification of airports and prevent confusion, making JAX the correct answer for Jackson, Florida.