20830 postal code
United StatesUpdated 2026-11-09Olney, MarylandMontgomery5 digits
Postal code details
1 placeCode
20830
Place
Olney
Region
Maryland
County
Montgomery
Coordinates
39.1552, -77.0667
Accuracy
4 / 6
Country
United States
Location
OpenStreetMap ↗
39.1552, -77.0667© OpenStreetMap
Ad slot · 300×250
Places under this code
1| Place | Region | County | Coordinates |
|---|---|---|---|
| Olney | Maryland | Montgomery | 39.1552, -77.0667 |
Same code in other countries
8| Country | Place | Region |
|---|---|---|
| ES Spain | Arzainerreka | Pais Vasco |
| LK Sri Lanka | Panvila | Central Province |
| MX Mexico | Chiquihuitero (San Isidro) | Aguascalientes |
| PE Peru | Caleta Cabo Blanco | Piura |
| PL Poland | Lublin | Lublin |
| SE Sweden | Malmö | Skåne |
| TR Türkiye | Dariveren | Denizli |
| UA Ukraine | Лузанівка | Cherkaska |
FAQ
Which city is 20830 in?
Olney, Maryland, United States.
What are the coordinates of 20830?
39.1552, -77.0667
Is 20830 used in other countries?
Yes, 8 other countries.
Updated 2026-11-09. Attribution in Data & license.