Home Postcodes by state WA 6412 Postcode 6412 6412 is the postcode for 2 localities in WA: Baandee and North Baandee. Localities with postcode 6412BaandeeWANorth BaandeeWA Postcode 6412 State or territory Western Australia (WA) Localities 2 Council area Kellerberrin Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 6411 · Postcode 6413