Home Postcode finder QLD Wynnum West Wynnum West postcode QLD Wynnum West is a locality in Queensland covered by postcode 4178. Postcode 4178 State or territory Queensland (QLD) Region Brisbane Central Add a free Wynnum West business listing More business listings in Wynnum West Businesses in Wynnum WestBaa House11 Wingston Street · 0409 5777 05Brisbane Snake Catchers65 Bulgin Ave · 0434 146 109 CHEER GEAR PTY LTD4 Regent Street · +6173396 5795 Common questionsWhat is the postcode for Wynnum West?Wynnum West, QLD has the postcode 4178.What state is Wynnum West in?Wynnum West is in Queensland (QLD).Does postcode 4178 cover more than one suburb?Yes. Postcode 4178 covers 6 localities, so the postcode alone does not identify Wynnum West. Browse other postcodes in Queensland, or widen the search to every Australian postcode.