Which airport code corresponds to Birmingham, Alabama?

The airport code that corresponds to Birmingham, Alabama is BHM. This code is derived from the city's name, where "B" stands for Birmingham and "HM" represents its initials. Airport codes are typically based on the name of the city or the airport itself for easy identification and communication within the aviation industry and among travelers.

To provide further context, the other codes listed refer to different airports: BUF is for Buffalo, New York; BTR stands for Baton Rouge, Louisiana; and BGO represents Bergen, Norway. While they may share similar letter patterns, the correct identification of airport codes relies on their specific geographic or city associations.