Identify the airport code for McAllen, Texas.

The airport code for McAllen, Texas is MFE. This code is specifically designated for McAllen-Miller International Airport, which serves the city and its surrounding region. Airport codes, also known as IATA codes, are three-letter identifiers that are used globally to streamline travel and logistics. Each code corresponds uniquely to a specific airport, and in this case, MFE is the recognized identifier for the airport in McAllen, allowing for easier booking, navigation, and communication within the aviation and travel industries.

In contrast, MEM refers to Memphis International Airport, MAR does not correspond to a known major airport, and MIA is the airport code for Miami International Airport. These codes represent other locations and do not relate to McAllen, emphasizing the importance of knowing the accurate identifiers for effective travel planning and coordination.