Identify the airport code for Phoenix.

The airport code for Phoenix is PHX. Each airport around the world is assigned a unique three-letter code that is commonly used in flight schedules, ticketing, and baggage handling. PHX is derived from the initials of "Phoenix" and is specifically designated for Phoenix Sky Harbor International Airport, the main airport serving the city of Phoenix, Arizona. Understanding airport codes is essential for anyone working in the airline industry, as it facilitates smooth communication and navigation related to flight operations.

The other options represent different airports: PVD stands for T.F. Green Airport in Providence, Rhode Island; PVR is for Licenciado Gustavo Díaz Ordaz International Airport in Puerto Vallarta, Mexico; and SAT is the code for San Antonio International Airport in Texas. Each of these codes pertains to a specific geographical location, emphasizing the importance of knowing the correct airport code in the context of air travel.