Zip code 18991: Warminster, Pennsylvania
This zip has no delivery boundary. The map shows its post office location and nearby zip codes.
About 18991
18991 is a non-residential zip code for Warminster, Pennsylvania (Bucks 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 18991, see the residential zip codes in the nearby list below.
Geography
- City (USPS)
- Warminster
- State
- Pennsylvania
- County
- Bucks County
- Center point
- 40.3286° N, 75.1028° W
- Time zone
- Eastern Time (UTC-5, UTC-4 in summer)
- Zip type
- PO box or unique zip
Zip codes near 18991
| Zip | City | Distance | IncomeMedian income |
|---|---|---|---|
| 18931 | Lahaska, PA · PO box | 0 mi | — |
| 18902 | Doylestown, PA | 1.7 mi | $161,267 |
| 18912 | Buckingham, PA | 2.2 mi | $250,000+ |
| 18934 | Mechanicsville, PA · PO box | 2.3 mi | — |
| 18916 | Danboro, PA · PO box | 2.4 mi | — |
| 18901 | Doylestown, PA | 3 mi | $118,256 |
| 18928 | Holicong, PA · PO box | 3.2 mi | — |
| 18922 | Forest Grove, PA · PO box | 3.4 mi | — |
| 18925 | Furlong, PA | 3.7 mi | $207,609 |
| 18923 | Fountainville, PA | 3.8 mi | $79,722 |
| 18913 | Carversville, PA | 3.9 mi | — |
| 18949 | Plumsteadville, PA · PO box | 4.6 mi | — |
Questions about 18991
What city is zip code 18991?
18991 is assigned to Warminster, Pennsylvania. The city name is the one the Postal Service prefers for mail addressed to this zip code.
What county is 18991 in?
18991 is in Bucks County, Pennsylvania.
What time zone is 18991 in?
18991 is in Eastern Time.
What zip codes are near 18991?
The closest zip codes to 18991 are 18931, 18902, 18912, 18934, 18916.
Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 18991, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.