ZIP Code 19803
Wilmington · New Castle, Delaware
19803 is the ZIP code of Wilmington in New Castle, Delaware, United States.
- ZIP Code
- 19803
- County
- New Castle
- State
- Delaware
- Country
- United States
Place with ZIP code 19803
| Place | County | Location |
|---|---|---|
| Wilmington | New Castle | 39.799, -75.532 |
Near Philadelphia
The nearest major city is Philadelphia, about 36 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 19803?
Wilmington.
Which county and state is 19803 in?
New Castle, Delaware, United States.
What is the nearest major city to 19803?
Philadelphia, about 36 km away.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.