What airport code is associated with Houston Intercontinental?

The airport code associated with Houston Intercontinental is KIAH. This code follows the ICAO (International Civil Aviation Organization) format, which assigns a unique four-letter alphanumeric code to each airport. The "K" signifies that it is located in the United States, while "IAH" represents the specific location of Houston Intercontinental.

Understanding airport codes is crucial for various stakeholders in aviation, including pilots, air traffic controllers, and passengers. Each airport's code is a shorthand reference that facilitates efficient communication and navigational processes. In this context, KIAH is the recognized identifier for Houston Intercontinental, which is a major hub for domestic and international flights.

The other options do not correspond to Houston Intercontinental: KGGG is the code for Gregg County Airport, ELD refers to South Arkansas Regional Airport at Goodwin Field, and KGTR is the code for Greenwood-Leflore Airport. Each of these codes pertains to different airports, emphasizing the importance of knowing the correct designations in aviation operations.