Home Postcodes by state WA 6044 Postcode 6044 6044 is the postcode for 4 localities in WA: Karakin, Lancelin, Nilgen and Wedge Island. Localities with postcode 6044KarakinWALancelinWANilgenWAWedge IslandWA Postcode 6044 State or territory Western Australia (WA) Localities 4 Council area Gingin; Dandaragan Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 6043 · Postcode 6050