Zip code 19721 belongs to the city of New Castle, Delaware. Look at the map below for a visual overview of the location of New Castle, DE.
The zip code 19721 is located in Delaware and belongs to the city of New Castle. The population is about 0 people, the number of blacks or African Americans and whites is about the same.
Abeville has a roughly equal number of men and women.
The city of New Castle, DE, which owns zip code 19721, is located on the South, in the South Atlantic region of the United States