21788 postal code
United StatesUpdated 2026-11-09Thurmont, MarylandFrederick5 digits
Postal code details
1 placeCode
21788
Place
Thurmont
Region
Maryland
County
Frederick
Coordinates
39.6109, -77.3989
Accuracy
4 / 6
Country
United States
Location
OpenStreetMap ↗
39.6109, -77.3989© OpenStreetMap
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Places under this code
1| Place | Region | County | Coordinates |
|---|---|---|---|
| Thurmont | Maryland | Frederick | 39.6109, -77.3989 |
Same code in other countries
0This code only appears in this country.
FAQ
Which city is 21788 in?
Thurmont, Maryland, United States.
What are the coordinates of 21788?
39.6109, -77.3989
Is 21788 used in other countries?
No.
Updated 2026-11-09. Attribution in Data & license.