What ICAO code represents Hattiesburg?

The ICAO code representing Hattiesburg is KGPT. This code is specific to Hattiesburg-Laurel Regional Airport, which serves the Hattiesburg area in Mississippi. ICAO codes consist of four letters, where the first letter typically indicates the region or country; in this case, 'K' indicates the United States. The subsequent letters 'GPT' are unique to Hattiesburg-Laurel Regional Airport specifically.

Understanding ICAO codes is essential for identification of airports around the world, as they provide a standardized system that avoids confusion between similar-sounding airport names. In this situation, while the other airport codes (KGWO, KGLH, and KHKS) correspond to different airports in proximity to Hattiesburg, only KGPT is designated for the airport serving Hattiesburg itself, making it the correct answer.