What does the airport code STX refer to?

The airport code STX corresponds to St. Croix in the United States Virgin Islands. This code is part of the IATA (International Air Transport Association) airport code system, which assigns a unique three-letter identifier to airports around the world. St. Croix, being a significant location for travelers to the U.S. Virgin Islands, is served by Henry E. Rohlsen Airport, which operates under the STX code.

While the other options represent valid airport codes, they refer to different locations. San Jose, Costa Rica is identified by the code SJO, Medellin, Colombia by MDE, and Charleston, WV by CRW. Understanding airport codes is essential for a customer service agent, as it aids in providing accurate information and assistance to travelers.