What city does the code PDX correspond to?

The code PDX corresponds to Portland, Oregon, which is the city's primary airport code. Each airport has a unique three-letter IATA code that is used for ticketing, baggage handling, and navigating travel itineraries. In the case of PDX, it is widely recognized and used by travelers and airlines alike to refer specifically to Portland International Airport, making it a key identifier for this city. Portland is known for its vibrant culture, beautiful landscapes, and innovative culinary scene, and the PDX airport serves as a major gateway for both domestic and international flights to and from that region.