Which airport code corresponds to Hayden, Colorado?

The airport code that corresponds to Hayden, Colorado, is HDN. Each airport in the United States is assigned a unique three-letter code by the Federal Aviation Administration (FAA) as part of the International Civil Aviation Organization (ICAO) standards.

In this case, HDN is the identifier for Yampa Valley Airport, which serves the Hayden area. The choice is well-established in aviation, consistently representing this specific location.

The other codes do not correspond to Hayden; for example, HOU is assigned to William P. Hobby Airport in Houston, Texas; IAD corresponds to Washington Dulles International Airport in Virginia; and ILM is the code for Wilmington International Airport in North Carolina. Thus, understanding the assignment of these particular codes helps reinforce the knowledge of airport identifiers across the United States, making HDN the correct choice for Hayden, Colorado.