Home Postcode finder QLD Sandgate Sandgate postcode QLD Sandgate is a locality in Queensland covered by postcode 4017. Postcode 4017 State or territory Queensland (QLD) Region Northgate Add a free Sandgate business listing More business listings in Sandgate Businesses in SandgateAK Gas & Plumbing2/37 Flinders Parade, Sandgate QLD, Australia · 1300007769Boat Rollers - AMU121 Connaught St · 0738692677Boat Trailer Rollers - Reliable Self Centering Rol121 Connaught St Sandgate QLD · 0738692677 Common questionsWhat is the postcode for Sandgate?Sandgate, QLD has the postcode 4017.What state is Sandgate in?Sandgate is in Queensland (QLD).Does postcode 4017 cover more than one suburb?Yes. Postcode 4017 covers 7 localities, so the postcode alone does not identify Sandgate. Browse other postcodes in Queensland, or widen the search to every Australian postcode.