Alaska Airline City Codes Practice 2026 – The All-In-One Guide to Master Your City Codes Exam!

The airport code SEA is recognized as representing Seattle, Washington. This code is derived from the city’s name, and Seattle-Tacoma International Airport (commonly referred to as Sea-Tac) serves as a major hub for Alaska Airlines. The use of specific three-letter codes for airports is standardized by the International Civil Aviation Organization (ICAO) and the International Air Transport Association (IATA), with SEA distinctly denoting Seattle's airport. This makes it an essential city code for travelers and airline operations associated with the Seattle area. Understanding these codes can facilitate smoother travel planning and enhances the ability to navigate airport-related information effectively.