20859
Potomac, Montgomery - United States
Postal code 20859 corresponds to Potomac, Montgomery, in Maryland (United States).
- Country
- United States (US)
- Department
- Maryland
- Municipality
- Montgomery
- Coordinates
- 39.144, -77.2076Degrees, minutes, seconds: 39°08'38"N 77°12'27"W
- Time zone
- America/New_York (UTC-5)
- Dialing code
- +1
How to write the address
Potomac, Maryland 20859 United States
Nearby codes