19899 ZIP Code — Wilmington, DE
New Castle County, Delaware
ZIP code 19899 is located in Wilmington, Delaware, within New Castle County. It covers approximately 0.00 square miles and serves a population of 0 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 302.
0
population
0.00
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
19899 ZIP code map
Cities in ZIP code 19899
Below are the cities the US Postal Service accepts for ZIP code 19899. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Wilmington | Acceptable |
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 0 |
| Population density | 0 / sq mi |
| State FIPS | 10 |
| County FIPS | 003 |
| Geography | |
|---|---|
| Land area | 0.00 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 39.7459 |
| Longitude | -75.5466 |
| Timezone | Eastern (ET) |
| Area code | 302 |