Home Postcode finder QLD Slacks Creek Slacks Creek postcode QLD Slacks Creek is a locality in Queensland covered by postcode 4127. Postcode 4127 State or territory Queensland (QLD) Region South Subs Add a free Slacks Creek business listing More business listings in Slacks Creek Businesses in Slacks CreekAOK Automotive Repairs2-37 · (07) 3208 0781Astro Klean Pty. Ltd.43 Moss St, Slacks Creek QLD, Australia · 1300 227 876Aussie Book Publisherssuite 18/200 Kingston Road, Slacks Creek QLD 4127, Australia · 61 401 369 174 Common questionsWhat is the postcode for Slacks Creek?Slacks Creek, QLD has the postcode 4127.What state is Slacks Creek in?Slacks Creek is in Queensland (QLD).Does postcode 4127 cover more than one suburb?Yes. Postcode 4127 covers 4 localities, so the postcode alone does not identify Slacks Creek. Browse other postcodes in Queensland, or widen the search to every Australian postcode.