Home Postcodes by state WA 6462 Postcode 6462 6462 is the postcode for 3 localities in WA: Hindmarsh, Minnivale and Ucarty. Localities with postcode 6462HindmarshWAMinnivaleWAUcartyWA Postcode 6462 State or territory Western Australia (WA) Localities 3 Council area Dowerin Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 6461 · Postcode 6463