Home Postcode finder WA Dowerin Dowerin postcode WA Dowerin is a locality in Western Australia covered by postcode 6461. Postcode 6461 State or territory Western Australia (WA) Region Wa Subs 1 G Flds Add a free Dowerin business listing More business listings in Dowerin Businesses in DowerinDowerin District High School35 Memorial Ave · 08 96311030 Common questionsWhat is the postcode for Dowerin?Dowerin, WA has the postcode 6461.What state is Dowerin in?Dowerin is in Western Australia (WA).Does postcode 6461 cover more than one suburb?Yes. Postcode 6461 covers 2 localities, so the postcode alone does not identify Dowerin. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.