Zip code 21792: Unionville, Maryland
This zip has no delivery boundary. The map shows its post office location and nearby zip codes.
About 21792
21792 is a non-residential zip code for Unionville, Maryland (Frederick 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 21792, see the residential zip codes in the nearby list below.
Geography
- City (USPS)
- Unionville
- State
- Maryland
- County
- Frederick County
- Center point
- 39.4748° N, 77.1855° W
- Time zone
- Eastern Time (UTC-5, UTC-4 in summer)
- Zip type
- PO box or unique zip
Zip codes near 21792
| Zip | City | Distance | IncomeMedian income |
|---|---|---|---|
| 21762 | Libertytown, MD | 3.4 mi | — |
| 21791 | Union Bridge, MD | 4 mi | $93,015 |
| 21776 | New Windsor, MD | 5.5 mi | $133,409 |
| 21771 | Mount Airy, MD | 5.7 mi | $157,302 |
| 21774 | New Market, MD | 6.5 mi | $171,103 |
| 21798 | Woodsboro, MD | 7.3 mi | $116,607 |
| 21701 | Frederick, MD | 8.2 mi | $106,577 |
| 21793 | Walkersville, MD | 8.5 mi | $121,971 |
| 21775 | New Midway, MD · PO box | 8.5 mi | — |
| 21759 | Ladiesburg, MD · PO box | 8.6 mi | — |
| 21757 | Keymar, MD | 9.1 mi | $100,500 |
| 21770 | Monrovia, MD | 9.4 mi | $183,571 |
Questions about 21792
What city is zip code 21792?
21792 is assigned to Unionville, Maryland. The city name is the one the Postal Service prefers for mail addressed to this zip code.
What county is 21792 in?
21792 is in Frederick County, Maryland.
What time zone is 21792 in?
21792 is in Eastern Time.
What zip codes are near 21792?
The closest zip codes to 21792 are 21762, 21791, 21776, 21771, 21774.
Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 21792, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.