What is the city code for Spokane, Washington?

The city code for Spokane, Washington, is GEG. This code is derived from the name of the airport that serves the city, Spokane International Airport, which uses GEG as its IATA airport code. IATA codes are standardized three-letter designations that identify airports around the world, offering a shorthand reference for city and airport names. In this case, GEG reflects the airport's specific name and is recognized universally in travel and airline operations.

The other choices do not correspond to Spokane International Airport. SPK, SPN, and SPO are not recognized IATA codes for Spokane, making GEG the accurate designation. This uniqueness is essential for travelers and airline staff to identify locations efficiently, ensuring smooth communication and travel planning.