Home Postcode finder QLD Gayndah Gayndah postcode QLD Gayndah is a locality in Queensland covered by postcode 4625. Postcode 4625 State or territory Queensland (QLD) Region Sunshine Coast Add a free Gayndah business listing More business listings in Gayndah Businesses in GayndahBinjour Plateau State School18401 Burnett Highway · 07 41613158Burnett State College65 Pineapple St · 07 41613888Gayndah State School33 Meson St · 07 41603333 Common questionsWhat is the postcode for Gayndah?Gayndah, QLD has the postcode 4625.What state is Gayndah in?Gayndah is in Queensland (QLD).Does postcode 4625 cover more than one suburb?Yes. Postcode 4625 covers 34 localities, so the postcode alone does not identify Gayndah. Browse other postcodes in Queensland, or widen the search to every Australian postcode.