What is the city code for LaGuardia Airport in New York?

The city code for LaGuardia Airport in New York is LGA. This code is designated by the International Air Transport Association (IATA) and is used by airlines and travel industries to identify the airport in various systems. LaGuardia Airport is one of the primary airports serving the New York City area and primarily handles domestic flights.

Other choices represent different airports: LIR refers to Daniel Oduber Quirós International Airport in Costa Rica, ISP is the code for Long Island MacArthur Airport in New York, and LAS stands for McCarran International Airport in Las Vegas, Nevada. Thus, these codes correspond to different locations, making LGA the correct answer for LaGuardia Airport.