Home Postcodes by state WA 6710 Postcode 6710 6710 is the postcode for 5 localities in WA: Cane, Onslow, Peedamulla, Talandji and Yannarie. Localities with postcode 6710CaneWAOnslowWAPeedamullaWATalandjiWAYannarieWA Postcode 6710 State or territory Western Australia (WA) Localities 5 Council area Ashburton Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 6707 · Postcode 6711