What is the airport code for Denver, CO?

The airport code for Denver, CO is DEN. This three-letter code is assigned by the International Air Transport Association (IATA) to uniquely identify Denver International Airport, which is one of the major airports in the United States. Knowing airport codes is crucial for travel planning, ticket purchasing, and navigation as they simplify communication regarding airport locations. The other options represent different airports: LAS is for Las Vegas (McCarran International Airport), LAX is for Los Angeles (Los Angeles International Airport), and MIA is for Miami (Miami International Airport). Each of these codes corresponds to their respective airports in distinct cities, illustrating the importance of recognizing codes for specific locations.