Australia
6403 post code
Post code details
1 placeCode
Place
Grass Valley
Region
Western Australia
County
Northam
Coordinates
-31.6382, 116.7987
Accuracy
6 / 6
Country
Australia
Location
OpenStreetMap ↗
-31.6382, 116.7987© OpenStreetMap
Places under this code
1| Place | Region | County | Coordinates |
|---|---|---|---|
| Grass Valley | Western Australia | Northam | -31.6382, 116.7987 |
FAQ
Which city is 6403 in?
Grass Valley, Western Australia, Australia.
What are the coordinates of 6403?
-31.6382, 116.7987
Is 6403 used in other countries?
Yes, 6 other countries.
The data is unofficial and has known truncation; verify with the recipient and carrier for critical shipments. See data source & license → · Updated 2026-11-09. Attribution in