Why is Portland called PDX?

The city of Portland, Oregon is commonly referred to by the airport code "PDX" because of its international airport, Portland International Airport. The airport is located in the city and serves as a major transportation hub for the Pacific Northwest region.

The designation "PDX" is an IATA (International Air Transport Association) code assigned to the airport for identification and communication purposes. IATA codes are three-letter codes used to represent airports worldwide and are commonly used in the airline industry and travel sector. The code "PDX" is used to abbreviate the airport's name (Portland International Airport) and is recognizable by airlines, travel agents, and aviation systems.

The use of "PDX" as a shorthand name for Portland has become popular among locals and travelers alike. It's often used in informal conversations, social media, and when discussing travel plans or airport-related matters. While the city's official name is Portland, the airport code "PDX" has become synonymous with the city itself and is widely understood as a reference to Portland.