United States
19721 post code
Post code details
1 placeCode
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
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.
The data is unofficial and has known truncation; verify with the recipient and carrier for critical shipments. See data source & license → · Updated 2026-11-09. Attribution in