Home Postcodes by state WA 6102 Postcode 6102 6102 is the postcode for 3 localities in WA: Bentley, Bentley South and St James. Localities with postcode 6102BentleyWABentley SouthWASt JamesWA Postcode 6102 State or territory Western Australia (WA) Localities 3 Council area Mainly Canning, partly Victoria Park Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 6101 · Postcode 6103