Which city code corresponds to Des Moines, IA?

The city code that corresponds to Des Moines, IA is DSM. This three-letter code is designated by IATA (International Air Transport Association) to uniquely identify locations for airlines and travel services. DSM is a straightforward abbreviation derived from the name "Des Moines," making it easy for travelers and airlines to recognize. It represents the city's airport, Des Moines International Airport, which serves as a hub for Southwest Airlines and other carriers. Recognizing city codes like DSM is essential for travelers to navigate booking flights effectively and to understand airport destinations quickly.