ZIP Code 19731 is located in the county of New Castle in the state of Delaware. 19731 ZIP Code is spread between the coordinates of +39.5155773 Latitude and -75.58026500 Longitude. 19731 ZIP Code is part of the 302 area code. There is 1 postal office in zip code 19731.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 19731. Always when you mail a package or a letter, be attentive to mention the preferred or acceptable cities. Using any city in the list of unacceptable cities may result in unforseen delays.