Postal reference / United States
19804Wilmington, Delaware
ZIP code 19804 is a United States postal code for Wilmington, Delaware. Its county association is New Castle County. The map reference point is at 39.7168, -75.6184.
- State / territory
- Delaware
- Recorded place name
- Wilmington
- County association
- New Castle
- Estimated coordinate
- 39.7168, -75.6184
View on OpenStreetMap - ZIP prefix
- 198 · 25 ZIP codes share it
- Data source
- GeoNames postal reference, snapshot September 26, 2026
GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.
Area
- Land area
- 7.176 sq mi (2023 Census Gazetteer)
Figures are for the ZIP Code Tabulation Area (ZCTA) that most closely matches this ZIP code, not an exact match to USPS delivery boundaries. Source: U.S. Census Bureau, 2023 Gazetteer + 2023 ACS 5-Year Estimates, retrieved 2026-09-27. How to read this data.
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ZIP+4 depends on the full delivery address. A five-digit code alone cannot determine its extension.
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Browse the other 95 ZIP codes recorded for Delaware, sorted by code with place and county.
Delaware directoryOther ZIP codes in Wilmington, DE
Wilmington has 25 ZIP codes in the reference dataset.
- 19801New Castle
- 19802New Castle
- 19803New Castle
- 19805New Castle
- 19806New Castle
- 19807New Castle
- 19808New Castle
- 19809New Castle
- 19810New Castle
- 19850New Castle
- 19880New Castle
- 19884New Castle
- 19885New Castle
- 19886New Castle
- 19890New Castle
- 19891New Castle
- 19892New Castle
- 19893New Castle
- 19894New Castle
- 19895New Castle
- 19896New Castle
- 19897New Castle
- 19898New Castle
- 19899New Castle
Nearby ZIP code reference points
| ZIP code | Place | State | County association | Miles |
|---|---|---|---|---|
| 19805 | Wilmington | DE | New Castle | 2.6 |
| 19808 | Wilmington | DE | New Castle | 2.8 |
| 19801 | Wilmington | DE | New Castle | 3.9 |
| 19806 | Wilmington | DE | New Castle | 4.0 |
| 19884 | Wilmington | DE | New Castle | 4.3 |
| 19885 | Wilmington | DE | New Castle | 4.3 |
| 19886 | Wilmington | DE | New Castle | 4.3 |
| 19893 | Wilmington | DE | New Castle | 4.3 |
Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.
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