Postcode 6173
Secret Harbour · Rockingham, Western Australia
6173 is the postcode of Secret Harbour in Rockingham, Western Australia, Australia.
- Postcode
- 6173
- Local area
- Rockingham
- State
- Western Australia
- Country
- Australia
Place with postcode 6173
| Place | Local area | Location |
|---|---|---|
| Secret Harbour | Rockingham | -32.406, 115.758 |
Near Perth
The nearest major city is Perth, about 51 km away.
Nearby postcodes
Frequently asked questions
Which places use postcode 6173?
Secret Harbour.
Which local area and state is 6173 in?
Rockingham, Western Australia, Australia.
What is the nearest major city to 6173?
Perth, about 51 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.