20859 postal code
United StatesUpdated 2026-11-09Potomac, MarylandMontgomery5 digits
Postal code details
1 placeCode
20859
Place
Potomac
Region
Maryland
County
Montgomery
Coordinates
39.144, -77.2076
Accuracy
4 / 6
Country
United States
Location
OpenStreetMap ↗
39.144, -77.2076© OpenStreetMap
Ad slot · 300×250
Places under this code
1| Place | Region | County | Coordinates |
|---|---|---|---|
| Potomac | Maryland | Montgomery | 39.144, -77.2076 |
Same code in other countries
3| Country | Place | Region |
|---|---|---|
| ID Indonesia | Bukit Kubu | North Sumatra |
| PL Poland | Lublin | Lublin |
| SE Sweden | Malmö | Skåne |
FAQ
Which city is 20859 in?
Potomac, Maryland, United States.
What are the coordinates of 20859?
39.144, -77.2076
Is 20859 used in other countries?
Yes, 3 other countries.
Updated 2026-11-09. Attribution in Data & license.