What is the ICAO code for Memphis Airport?

The ICAO code for Memphis Airport is accurately represented as KMEM. The International Civil Aviation Organization (ICAO) assigns a four-letter alphanumeric code to each airport worldwide, and for Memphis, the prefix 'K' indicates it is located in the United States. The 'MEM' portion of the code is derived from the airport's location name—Memphis. This systematic naming convention helps in identifying and categorizing airports around the globe for navigation and operational purposes in aviation.

Other options do not conform to the ICAO code structure for Memphis Airport. For instance, alternative spellings or incorrect arrangements of the letters do not represent an established airport code, whereas KMEM is the officially recognized and standardized identifier for Memphis Airport.