Home Postcodes by state WA 6566 Postcode 6566 6566 is the postcode for 10 localities in WA: Bejoording, Carani, Coondle, Culham, Dumbarton, Hoddys Well and 4 more. Localities with postcode 6566BejoordingWACaraniWACoondleWACulhamWADumbartonWAHoddys WellWAKatrineWANunileWAToodyayWAWest ToodyayWA Postcode 6566 State or territory Western Australia (WA) Localities 10 Council area Toodyay Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 6564 · Postcode 6567