Which of these city codes represents Tampa, Florida?

The correct city code for Tampa, Florida, is TPA. This code is designated specifically for Tampa International Airport, which serves the Tampa area. Airport codes are typically derived from the name of the city or airport itself, making them easier to remember and associate with specific locations. In the case of TPA, the "T" stands for Tampa, while "PA" signifies that it is an airport (often seen in codes for airports following the three-letter convention).

Each of the other codes on the list correspond to different cities or airports: SNA refers to John Wayne Airport in Orange County, California, RNO is the code for Reno-Tahoe International Airport in Nevada, and STL designates St. Louis Lambert International Airport in Missouri. These differences highlight the importance of understanding airport codes, particularly for travel and logistics, as each code uniquely identifies a specific geographic location.