Home Postcodes by state WA 6224 Postcode 6224 6224 is the postcode for 2 localities in WA: Beela and Brunswick. Localities with postcode 6224BeelaWABrunswickWA Postcode 6224 State or territory Western Australia (WA) Localities 2 Council area Harvey Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 6223 · Postcode 6225