Home Postcode finder WA Broomehill Broomehill postcode WA Broomehill is a locality in Western Australia covered by postcode 6318. Postcode 6318 State or territory Western Australia (WA) Region Wa Subs 2 Gsr Add a free Broomehill business listing More business listings in Broomehill Businesses in BroomehillBroomehill Primary SchoolHassell St · 08 98241250 Common questionsWhat is the postcode for Broomehill?Broomehill, WA has the postcode 6318.What state is Broomehill in?Broomehill is in Western Australia (WA).Does postcode 6318 cover more than one suburb?Yes. Postcode 6318 covers 4 localities, so the postcode alone does not identify Broomehill. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.