21792 postal code
United StatesUpdated 2026-11-09Unionville, MarylandFrederick5 digits
Postal code details
1 placeCode
21792
Place
Unionville
Region
Maryland
County
Frederick
Coordinates
39.4748, -77.1855
Accuracy
4 / 6
Country
United States
Location
OpenStreetMap ↗



39.4748, -77.1855© OpenStreetMap
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Places under this code
1| Place | Region | County | Coordinates |
|---|---|---|---|
| Unionville | Maryland | Frederick | 39.4748, -77.1855 |
Same code in other countries
0This code only appears in this country.
FAQ
Which city is 21792 in?
Unionville, Maryland, United States.
What are the coordinates of 21792?
39.4748, -77.1855
Is 21792 used in other countries?
No.
Updated 2026-11-09. Attribution in Data & license.