Home Postcode finder QLD Thorneside Thorneside postcode QLD Thorneside is a locality in Queensland covered by postcode 4158. Postcode 4158 State or territory Queensland (QLD) Region South Subs Add a free Thorneside business listing More business listings in Thorneside Businesses in ThornesideKG FAB23 Henry St, Thorneside QLD 4158, Australia · 0421 659 577Smart Auto Service And Repairs169 Railway · (07) 3207 4099Style Mechanics100 Mooroondu Rd · (07) 3207 2700 Common questionsWhat is the postcode for Thorneside?Thorneside, QLD has the postcode 4158.What state is Thorneside in?Thorneside is in Queensland (QLD).Does postcode 4158 cover more than one suburb?No. Postcode 4158 covers Thorneside only, which is unusual - most Australian postcodes cover several localities. Browse other postcodes in Queensland, or widen the search to every Australian postcode.