What is the airport code for Denver, Colorado?

The airport code for Denver, Colorado, is represented by the 3-letter code DEN. Each major airport in the United States has a unique identifier known as an IATA airport code, which is widely used in airline bookings, ticketing, and travel itineraries. Denver International Airport, one of the busiest airports in the U.S., utilizes the code DEN, making it easily recognizable to travelers and airlines alike.

The other options correspond to different airports: BDL is the code for Bradley International Airport in Connecticut, RSW is for Southwest Florida International Airport in Fort Myers, and PHX represents Phoenix Sky Harbor International Airport in Arizona. Each of these codes serves its respective city and is essential for ensuring accurate travel logistics and communication in the aviation industry.