Postcode 6123
Mundijong +1 · Serpentine-Jarrahdale, Western Australia
6123 is the postcode of Mundijong, Whitby in Serpentine-Jarrahdale, Western Australia, Australia.
- Postcode
- 6123
- Local area
- Serpentine-Jarrahdale
- State
- Western Australia
- Country
- Australia
2 places with postcode 6123
| Place | Local area | Location |
|---|---|---|
| Mundijong | Serpentine-Jarrahdale | -32.292, 115.986 |
| Whitby | Serpentine-Jarrahdale | -32.292, 116.012 |
Near Perth
The nearest major city is Perth, about 40 km away.
Nearby postcodes
Frequently asked questions
Which places use postcode 6123?
Mundijong, Whitby.
Which local area and state is 6123 in?
Serpentine-Jarrahdale, Western Australia, Australia.
What is the nearest major city to 6123?
Perth, about 40 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.