Postal Codes for New Castle, Delaware
The postal codes for New Castle, Delaware, United States (3 codes, e.g. 19720). With map location and coordinates.
The postal codes for New Castle, Delaware, United States (3 codes):
| Postal code | Place | County / area | Coordinates |
|---|---|---|---|
| 19720 | New Castle | New Castle | 39.593, -75.652 |
| 19721 | New Castle | New Castle | 39.565, -75.597 |
| 19726 | New Castle | New Castle | 39.662, -75.566 |
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Frequently asked questions
What is the postal code of New Castle?
New Castle has 3 postal codes; the first is 19720. They are all listed above with their areas.
Why does New Castle have more than one postal code?
Larger towns and cities are split into several postal-code areas, each serving a different neighbourhood, PO-box range or large organisation.