What city is associated with the airport code EWR?

The airport code EWR is associated with Newark, New Jersey. This designation stems from Newark Liberty International Airport, which is one of the major airports serving the New York City area. The code EWR is derived from the first three letters of the airport's name, Newark. It has become an essential identifier, especially for airlines, travelers, and air traffic control, facilitating clear communication regarding flight operations. Understanding airport codes is crucial for recognizing and navigating travel options, particularly when dealing with multiple major airports in close proximity, such as those serving New York.