Home Postcode finder WA Broadwater Broadwater postcode WA Broadwater is a locality in Western Australia covered by postcode 6280. Postcode 6280 State or territory Western Australia (WA) Region Wa Subs 3 Sth Rd Add a free Broadwater business listing More business listings in Broadwater Businesses in BroadwaterGeographe Bay Holiday Park535 Bussell Highway · 0897524396 Common questionsWhat is the postcode for Broadwater?Broadwater, WA has the postcode 6280.What state is Broadwater in?Broadwater is in Western Australia (WA).Does postcode 6280 cover more than one suburb?Yes. Postcode 6280 covers 34 localities, so the postcode alone does not identify Broadwater. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.