Why Do Some Airports Have More Than One IATA Code?

Category: Travel > Confusion

While most airports have a single designated International Air Transport Association (IATA) code, some airports possess more than one, which can often lead to confusion among travelers. This phenomenon typically occurs when an airport serves multiple cities or regions, or when it has undergone significant name changes or expansions. For instance, the San Francisco International Airport (SFO) is sometimes referenced with the code "SJC" for its proximity to San Jose, which has its own airport code. Additionally, in regions where two airports are in close proximity, both may be assigned IATA codes that are similar, leading to further complexities when booking flights or navigating travel itineraries. Understanding these codes can enhance a traveler's experience, ensuring they arrive at the intended destination without a hitch.

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