Home Postcodes by state WA Lake Wells Lake Wells postcode WA Lake Wells is a locality in Western Australia covered by postcode 6440. Postcode 6440 State or territory Western Australia (WA) Region Wa Subs 1 G Flds Council area Laverton Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Add a free Lake Wells business listing Be the first listing in Lake Wells Also in postcode 6440BandyaWA 6440BeadellWA 6440Cosmo NewberyWA 6440LavertonWA 6440NealeWA 6440 Common questionsWhat is the postcode for Lake Wells?Lake Wells, WA has the postcode 6440.What state is Lake Wells in?Lake Wells is in Western Australia (WA).What council is Lake Wells in?Lake Wells is in the Laverton local government area.Does postcode 6440 cover more than one suburb?Yes. Postcode 6440 covers 6 localities, so the postcode alone does not identify Lake Wells. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.