ZIP 20830 on the map: city, state, location and coordinates.

The ZIP code 20830 belongs to Olney, Maryland. This code is part of Montgomery County. On the following Open Street Map you can see the exact location of 20830 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 20830: Latitude: 39.1552 South, Longitude: 77.0667 West.

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