20830
Olney, Montgomery - United States
Postal code 20830 corresponds to Olney, Montgomery, in Maryland (United States).
- Country
- United States (US)
- Department
- Maryland
- Municipality
- Montgomery
- Coordinates
- 39.1552, -77.0667Degrees, minutes, seconds: 39°09'19"N 77°04'00"W
- Time zone
- America/New_York (UTC-5)
- Dialing code
- +1
How to write the address
Olney, Maryland 20830 United States
Nearby codes