Which city is represented by the airport code PNS?

The airport code PNS represents Pensacola, Florida. This code is derived from the first three letters of the city name, making it intuitive to associate PNS with Pensacola. Airport codes often follow this pattern for ease of identification, enabling travelers and industry professionals to quickly recognize destination cities.

In the context of the other options, Phoenix, AZ is represented by PHX; Palm Springs, CA uses PSP; and Pueblo, CO is designated as PUB. Each of these cities has its own unique code that does not correspond to PNS, thus reinforcing that B is indeed the correct answer for Pensacola, FL. Understanding airport codes not only aids in navigating travel but also highlights the distinct identifiers for various locations across the United States.