Home Postcodes by state WA 6575 Postcode 6575 6575 is the postcode for Miling, WA. Localities with postcode 6575MilingWA Postcode 6575 State or territory Western Australia (WA) Localities 1 Council area Moora Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 6574 · Postcode 6603