19721 zip code is for the new castle city which is located in new castle county of the delaware state. The complete information of the zip code 19721 is given below :


Zip code19721
CityNew Castle
CountyNew Castle
StateDelaware
CountryUnited States
Time zoneEastern standard time (GMT -05:00)
Latitude39.6845° N
Longitude75.6099° W