Home Postcodes by state WA Peak Hill Peak Hill postcode WA Peak Hill is a locality in Western Australia covered by postcode 6642. Postcode 6642 State or territory Western Australia (WA) Region North West Suburbs Council area Meekatharra Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Add a free Peak Hill business listing Be the first listing in Peak Hill Also in postcode 6642Angelo RiverWA 6642CapricornWA 6642KumarinaWA 6642MeekatharraWA 6642 Other places called Peak HillPeak HillNSW 2869 Common questionsWhat is the postcode for Peak Hill?Peak Hill, WA has the postcode 6642.What state is Peak Hill in?Peak Hill is in Western Australia (WA).What council is Peak Hill in?Peak Hill is in the Meekatharra local government area.Does postcode 6642 cover more than one suburb?Yes. Postcode 6642 covers 5 localities, so the postcode alone does not identify Peak Hill. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.