Which airport code corresponds to Los Angeles, California?

The airport code that corresponds to Los Angeles, California, is LAX. This code is specifically designated for Los Angeles International Airport, which is one of the busiest airports in the United States and serves as a major gateway for both domestic and international flights. The "L" stands for Los Angeles, with "AX" reflecting the airport's location and designation.

The other choices represent different airports: OAK is the airport code for Oakland International Airport in California; FLL corresponds to Fort Lauderdale-Hollywood International Airport in Florida; and MCO is the code for Orlando International Airport in Florida. Each of these codes is specific to its respective airport and is not associated with Los Angeles.