PDX is the airport code for which city?

The airport code PDX is designated for Portland International Airport, which is located in Portland, Oregon. Each airport code is unique and is typically derived from the name of the city or the airport itself. In this case, ‘PDX’ includes the initials for Portland along with an 'X', which is a common practice for airport codes that end with a consonant. This identification helps travelers and airlines quickly recognize locations associated with the airport code. Recognizing PDX as Portland's airport code is crucial for anyone involved in planning travel itineraries or understanding flight operations related to this city.