Home Postcodes by state WA 6053 Postcode 6053 6053 is the postcode for Bayswater, WA. Localities with postcode 6053BayswaterWA Postcode 6053 State or territory Western Australia (WA) Localities 1 Council area Bayswater Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 6052 · Postcode 6054