21758 postal code
United StatesUpdated 2026-11-09Knoxville, MarylandFrederick5 digits
Postal code details
1 placeCode
21758
Place
Knoxville
Region
Maryland
County
Frederick
Coordinates
39.3479, -77.6513
Accuracy
4 / 6
Country
United States
Location
OpenStreetMap ↗
39.3479, -77.6513© OpenStreetMap
Ad slot · 300×250
Places under this code
1| Place | Region | County | Coordinates |
|---|---|---|---|
| Knoxville | Maryland | Frederick | 39.3479, -77.6513 |
Same code in other countries
1| Country | Place | Region |
|---|---|---|
| SE Sweden | Malmö | Skåne |
FAQ
Which city is 21758 in?
Knoxville, Maryland, United States.
What are the coordinates of 21758?
39.3479, -77.6513
Is 21758 used in other countries?
Yes, 1 other countries.
Updated 2026-11-09. Attribution in Data & license.