21791 postal code
United StatesUpdated 2026-11-09Union Bridge, MarylandCarroll5 digits
Postal code details
1 placeCode
21791
Place
Union Bridge
Region
Maryland
County
Carroll
Coordinates
39.5799, -77.1319
Accuracy
4 / 6
Country
United States
Location
OpenStreetMap ↗
39.5799, -77.1319© OpenStreetMap
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Places under this code
1| Place | Region | County | Coordinates |
|---|---|---|---|
| Union Bridge | Maryland | Carroll | 39.5799, -77.1319 |
Same code in other countries
0This code only appears in this country.
FAQ
Which city is 21791 in?
Union Bridge, Maryland, United States.
What are the coordinates of 21791?
39.5799, -77.1319
Is 21791 used in other countries?
No.
Updated 2026-11-09. Attribution in Data & license.