Home Postcodes by state WA Cosmo Newbery Cosmo Newbery postcode WA Cosmo Newbery 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 Cosmo Newbery business listing More business listings in Cosmo Newbery Businesses in Cosmo NewberyCosmo Newbery Remote Community School08 90375943 Also in postcode 6440BandyaWA 6440BeadellWA 6440Lake WellsWA 6440LavertonWA 6440NealeWA 6440 Common questionsWhat is the postcode for Cosmo Newbery?Cosmo Newbery, WA has the postcode 6440.What state is Cosmo Newbery in?Cosmo Newbery is in Western Australia (WA).What council is Cosmo Newbery in?Cosmo Newbery 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 Cosmo Newbery. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.