Home Postcodes by state WA 6605 Postcode 6605 6605 is the postcode for Kondut, WA. Localities with postcode 6605KondutWA Postcode 6605 State or territory Western Australia (WA) Localities 1 Council area Wongan-Ballidu Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 6603 · Postcode 6606