Phoenix, AZ is represented by which airport code?

Phoenix, AZ is represented by the airport code PHX. This code is specifically associated with Phoenix Sky Harbor International Airport, which is the primary airport serving the Phoenix metropolitan area. The codes are typically derived from the first letters of the city name or significant features of the city, and PHX matches perfectly with Phoenix. Understanding airport codes is essential for customer service agents, as it helps facilitate clear communication regarding flight information and travel plans for passengers.