Which code represents the airport in Philadelphia?

The code that represents the airport in Philadelphia is PHL. This is the IATA code for Philadelphia International Airport, which serves as a major hub for domestic and international flights. Each airport has a unique IATA code, typically consisting of three letters, which makes it easier for airlines, travel agents, and passengers to identify them quickly.

For instance, PNS is the code for Pensacola International Airport in Florida, SFO refers to San Francisco International Airport, and SJD stands for Los Cabos International Airport in Mexico. Therefore, PHL is the only designation that accurately corresponds to Philadelphia International Airport, confirming its significance in both air travel and regional connectivity.