What is the city code for Salt Lake City, Utah?

The city code for Salt Lake City, Utah, is SLC. This code is derived from the name of the city itself, where the first letter corresponds to "S" for Salt, the second letter represents "L" for Lake, and the final letter is "C" for City. This three-letter code is part of the IATA (International Air Transport Association) coding system, which provides unique identifiers for airports around the world.

Understanding IATA codes is crucial for travelers and industry professionals, as these codes are commonly used in ticketing, travel itineraries, and baggage handling. In this case, SLC is widely recognized among airlines and travel services as the official representation of Salt Lake City, making it the correct answer.

The other choices represent different airports: SLU does not correspond to Salt Lake City; SEA stands for Seattle-Tacoma International Airport; and RNO is the code for Reno-Tahoe International Airport. Therefore, SLC is the only option that correctly identifies the airport serving Salt Lake City.