Zip code 19891: Wilmington, Delaware
This zip has no delivery boundary. The map shows its post office location and nearby zip codes.
About 19891
19891 is a non-residential zip code for Wilmington, Delaware (New Castle County). It has no delivery area of its own, so the Census Bureau doesn't publish population or housing figures for it. Codes like this are usually assigned to post office boxes, or to a single organization such as a university, hospital, government agency or large company that gets enough mail to need its own zip code.
For a picture of the people who live around 19891, see the residential zip codes in the nearby list below.
Geography
- City (USPS)
- Wilmington
- State
- Delaware
- County
- New Castle County
- Center point
- 39.5645° N, 75.5970° W
- Time zone
- Eastern Time (UTC-5, UTC-4 in summer)
- Zip type
- PO box or unique zip
Zip codes near 19891
| Zip | City | Distance | IncomeMedian income |
|---|---|---|---|
| 19712 | Newark, DE · PO box | 0 mi | — |
| 19714 | Newark, DE · PO box | 0 mi | — |
| 19715 | Newark, DE · PO box | 0 mi | — |
| 19718 | Newark, DE · PO box | 0 mi | — |
| 19721 | New Castle, DE · PO box | 0 mi | — |
| 19725 | Newark, DE · PO box | 0 mi | — |
| 19850 | Wilmington, DE · PO box | 0 mi | — |
| 19880 | Wilmington, DE · PO box | 0 mi | — |
| 19890 | Wilmington, DE · PO box | 0 mi | — |
| 19892 | Wilmington, DE · PO box | 0 mi | — |
| 19896 | Wilmington, DE · PO box | 0 mi | — |
| 19897 | Wilmington, DE · PO box | 0 mi | — |
Questions about 19891
What city is zip code 19891?
19891 is assigned to Wilmington, Delaware. The city name is the one the Postal Service prefers for mail addressed to this zip code.
What county is 19891 in?
19891 is in New Castle County, Delaware.
What time zone is 19891 in?
19891 is in Eastern Time.
What zip codes are near 19891?
The closest zip codes to 19891 are 19712, 19714, 19715, 19718, 19721.
Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 19891, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.