What is the airport code for Trenton, NJ?

The airport code for Trenton, NJ, is TTN. This code is assigned to Trenton-Mercer Airport, which services the region and is used for identifying the airport in flight schedules, ticketing, and baggage handling. Airport codes typically consist of three letters, and they are derived from the name of the city or a feature of the location. In this case, TTN reflects the abbreviation of Trenton, making it easy for passengers and airlines to recognize it.

In contrast, the other options represent different airports: BMI refers to Central Illinois Regional Airport in Bloomington-Normal, BNA is the code for Nashville International Airport, and BDL is for Bradley International Airport in Connecticut. Each of these codes serves a different location, which highlights the importance of knowing the correct airport code for accurate travel planning.