Home Postcodes by state WA 6236 Postcode 6236 6236 is the postcode for 8 localities in WA: Crooked Brook, Dardanup, Dardanup West, Ferguson, Henty, Paradise and 2 more. Localities with postcode 6236Crooked BrookWADardanupWADardanup WestWAFergusonWAHentyWAParadiseWAWellington ForestWAWellington MillWA Postcode 6236 State or territory Western Australia (WA) Localities 8 Council area Dardanup Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 6233 · Postcode 6237