Home Postcodes by state WA 6026 Postcode 6026 6026 is the postcode for 2 localities in WA: Kingsley and Woodvale. Localities with postcode 6026KingsleyWAWoodvaleWA Postcode 6026 State or territory Western Australia (WA) Localities 2 Council area Joondalup Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 6025 · Postcode 6027