21783 postal code
United StatesUpdated 2026-11-09Smithsburg, MarylandWashington5 digits
Postal code details
1 placeCode
21783
Place
Smithsburg
Region
Maryland
County
Washington
Coordinates
39.647, -77.5706
Accuracy
4 / 6
Country
United States
Location
OpenStreetMap ↗



39.647, -77.5706© OpenStreetMap
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Places under this code
1| Place | Region | County | Coordinates |
|---|---|---|---|
| Smithsburg | Maryland | Washington | 39.647, -77.5706 |
Same code in other countries
0This code only appears in this country.
FAQ
Which city is 21783 in?
Smithsburg, Maryland, United States.
What are the coordinates of 21783?
39.647, -77.5706
Is 21783 used in other countries?
No.
Updated 2026-11-09. Attribution in Data & license.