Postal reference
ZIP 20830, Maryland
ZIP code 20830 is associated with Olney in Maryland in the GeoNames postal reference.
Reference details
- State
- Maryland (MD)
- ZIP code
- 20830
- Associated localities
- Olney
- County names in postal records
- Montgomery
- Approximate postal point
- 39.1552, -77.0667
View point on map ↗
Postal information is adapted from GeoNames, CC BY 4.0. Locality associations and coordinates are approximate, not ZIP boundaries or a guarantee of current mail delivery.