Postcode 2154
Castle Hill · Hornsby, New South Wales
2154 is the postcode of Castle Hill in Hornsby, New South Wales, Australia.
- Postcode
- 2154
- Local area
- Hornsby
- State
- New South Wales
- Country
- Australia
Place with postcode 2154
| Place | Local area | Location |
|---|---|---|
| Castle Hill | Hornsby | -33.733, 151.000 |
Near Sydney
The nearest major city is Sydney, about 24 km away.
Nearby postcodes
Frequently asked questions
Which places use postcode 2154?
Castle Hill.
Which local area and state is 2154 in?
Hornsby, New South Wales, Australia.
What is the nearest major city to 2154?
Sydney, about 24 km away.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.