Home Postcodes by state WA 6357 Postcode 6357 6357 is the postcode for Pingaring, WA. Localities with postcode 6357PingaringWA Postcode 6357 State or territory Western Australia (WA) Localities 1 Council area Kulin Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 6356 · Postcode 6358