Home Postcodes by state WA 6460 Postcode 6460 6460 is the postcode for 5 localities in WA: Goomalling, Hulongine, Karranadgin, Ucarty West and Walyormouring. Localities with postcode 6460GoomallingWAHulongineWAKarranadginWAUcarty WestWAWalyormouringWA Postcode 6460 State or territory Western Australia (WA) Localities 5 Council area Goomalling Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 6452 · Postcode 6461