Which airport code represents Baton Rouge, Louisiana?

The airport code that represents Baton Rouge, Louisiana is BTR. This code is part of the International Air Transport Association's (IATA) system, which assigns three-letter codes to various airports around the world. BTR is derived from the first three letters of Baton Rouge, following the common practice of using letters from the city name for airport designation.

Baton Rouge Metropolitan Airport is the main airport serving the capital of Louisiana, and the BTR code helps travelers and airlines easily identify this location when booking flights or managing travel itineraries. Other codes, such as BOS for Boston, Massachusetts, BHM for Birmingham, Alabama, and BUF for Buffalo, New York, apply to different airports in those respective cities, further distinguishing BTR as the unique identifier for Baton Rouge.