Home Postcode finder QLD Sippy Downs Sippy Downs postcode QLD Sippy Downs is a locality in Queensland covered by postcode 4556. Postcode 4556 State or territory Queensland (QLD) Region Sunshine Coast Add a free Sippy Downs business listing More business listings in Sippy Downs Businesses in Sippy DownsAvenue Dental Sippy Downs103 Sippy Downs Dr, Sippy Downs QLD 4556, Australia · 07 5406 7826Big Blue Plumbingbuilding 1/30 Chancellor Village Blvd, Sippy Downs Queensland, Australia · (07) 5404 9354Chancellor State CollegeSippy Downs Drive · 07 54533222 Common questionsWhat is the postcode for Sippy Downs?Sippy Downs, QLD has the postcode 4556.What state is Sippy Downs in?Sippy Downs is in Queensland (QLD).Does postcode 4556 cover more than one suburb?Yes. Postcode 4556 covers 6 localities, so the postcode alone does not identify Sippy Downs. Browse other postcodes in Queensland, or widen the search to every Australian postcode.