Home Postcode finder WA Pannawonica Pannawonica postcode WA Pannawonica is a locality in Western Australia covered by postcode 6716. Postcode 6716 State or territory Western Australia (WA) Region North West Suburbs Add a free Pannawonica business listing More business listings in Pannawonica Businesses in PannawonicaPannawonica Primary SchoolSports Way · 08 91841172 Common questionsWhat is the postcode for Pannawonica?Pannawonica, WA has the postcode 6716.What state is Pannawonica in?Pannawonica is in Western Australia (WA).Does postcode 6716 cover more than one suburb?Yes. Postcode 6716 covers 4 localities, so the postcode alone does not identify Pannawonica. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.