What is the airport code for Denver, Colorado?

The airport code for Denver, Colorado, is DEN. Airport codes are unique three-letter identifiers assigned to each airport around the world for easier identification and communication. The code DEN is derived from the city name "Denver," encapsulating its association with the location. This codification helps travelers, airlines, and air traffic control efficiently recognize and manage flights to and from Denver International Airport (DEN).

In contrast, DFW is the airport code for Dallas/Fort Worth International Airport in Texas, DSM represents Des Moines International Airport in Iowa, and DTW is for Detroit Metropolitan Wayne County Airport in Michigan. Each of these codes corresponds to different cities and airports, further clarifying why DEN is the correct choice for Denver.