ZIP CODE 19721
New Castle, DE
All Zip Codes For New Castle
| Zipcode | Population | Housing Units | Latitude | Longitude | Land Area (sq mi) | Water Area (sq mi) |
| 19720 | 55539 | 21488 | 39.669219 | -75.590030 | 38.306408 | 0.067248 |
| 19721 | - | - | - | - | - | - |
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January 13, 2025 |
| Zipcode | Population | Housing Units | Latitude | Longitude | Land Area (sq mi) | Water Area (sq mi) |
| 19720 | 55539 | 21488 | 39.669219 | -75.590030 | 38.306408 | 0.067248 |
| 19721 | - | - | - | - | - | - |