Home Postcode finder QLD Westlake Westlake postcode QLD Westlake is a locality in Queensland covered by postcode 4074. Postcode 4074 State or territory Queensland (QLD) Region Heathwood Add a free Westlake business listing More business listings in Westlake Businesses in WestlakeWoodrow finance14/180 Westlake Dr, Westlake QLD 4074, Australia · 07 2111 1294 Common questionsWhat is the postcode for Westlake?Westlake, QLD has the postcode 4074.What state is Westlake in?Westlake is in Queensland (QLD).Does postcode 4074 cover more than one suburb?Yes. Postcode 4074 covers 7 localities, so the postcode alone does not identify Westlake. Browse other postcodes in Queensland, or widen the search to every Australian postcode.