United States
20857 post code
Post code details
1 placeCode
Place
Rockville
Region
Maryland
County
Montgomery
Coordinates
39.084, -77.1528
Accuracy
4 / 6
Country
United States
Location
OpenStreetMap ↗








39.084, -77.1528© OpenStreetMap
Places under this code
1| Place | Region | County | Coordinates |
|---|---|---|---|
| Rockville | Maryland | Montgomery | 39.084, -77.1528 |
Same code in other countries
4FAQ
Which city is 20857 in?
Rockville, Maryland, United States.
What are the coordinates of 20857?
39.084, -77.1528
Is 20857 used in other countries?
Yes, 4 other countries.