ZIP 20859 on the map: city, state, location and coordinates.

The ZIP code 20859 points to Potomac, Maryland. This code is included in Montgomery County. On the following Open Street Map you can see the exact location of 20859 ZIP code. Zoom in or out to see the surrounding cities and areas, use the buttons shown on the map. Drag the map with your mouse or finger.
Exact coordinates of ZIP 20859: Latitude: 39.144 South, Longitude: 77.2076 West.

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