Home Postcodes by state WA 6151 Postcode 6151 6151 is the postcode for 3 localities in WA: Kensington, South Perth and South Perth Angelo St. Localities with postcode 6151KensingtonWASouth PerthWASouth Perth Angelo StWA Postcode 6151 State or territory Western Australia (WA) Localities 3 Council area South Perth Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 6150 · Postcode 6152