19721 Zip code is used for New Castle City in New Castle County, Delaware in Usa. The ZIP Codes / Postal Codes are Used by USPS (United States Postal Service known as “Post Office”, “ Usa Mail”, or” Postal Service”, an independent agency of the United States federal government responsible for providing postal service in the United States). Below is the detail for 19721, New Castle City.
| Zip Code | : | 19721 |
| City Name | : | New Castle |
| County Name | : | New Castle County |
| State Name | : | Delaware |
| Country Name | : | USA |
| Area Code | : | 302 |
| Time Zone | : | EST |
| Country Code | : | +1 |
| Currency | : | $ USA Dollor |
| ISO Code | : | USA |