19721 postal code
United StatesUpdated 2026-11-09New Castle, DelawareNew Castle5 digits
Postal code details
1 placeCode
19721
Place
New Castle
Region
Delaware
County
New Castle
Coordinates
39.5645, -75.597
Accuracy
4 / 6
Country
United States
Location
OpenStreetMap ↗
39.5645, -75.597© OpenStreetMap
Ad slot · 300×250
Places under this code
1| Place | Region | County | Coordinates |
|---|---|---|---|
| New Castle | Delaware | New Castle | 39.5645, -75.597 |
FAQ
Which city is 19721 in?
New Castle, Delaware, United States.
What are the coordinates of 19721?
39.5645, -75.597
Is 19721 used in other countries?
Yes, 2 other countries.
Updated 2026-11-09. Attribution in Data & license.