What is the city code for Phoenix, Arizona?

The city code for Phoenix, Arizona is PHX. This is the IATA airport code for Phoenix Sky Harbor International Airport, which is the primary airport serving the city. Each airport around the world is assigned a unique three-letter code that is used for ticketing, check-in, and identifying the airport in communication among airlines and travel agencies.

The other codes in the choices represent airports in different cities: PHL is for Philadelphia International Airport, PIT is for Pittsburgh International Airport, and PVD is for T.F. Green Airport in Providence, Rhode Island. Understanding these codes is critical when traveling or planning trips, as it helps to clearly identify destinations and avoid confusion in booking and travel arrangements.