ZIP Code 19721
New Castle, Delaware · New Castle County
No8199
Zip19721
TypeUNIQUE
Decommissioned0
Primary CityNew Castle
Acceptable Cities—
Unacceptable CitiesCitibank
StateDE
LstateDelaware
CountyNew Castle County
TimezoneAmerica/New_York
Area Codes302
World RegionNA
CountryUS
Latitude39,66
Longitude-75,57