Home Postcode finder QLD Ghinghinda Ghinghinda postcode QLD Ghinghinda is a locality in Queensland covered by postcode 4420. Postcode 4420 State or territory Queensland (QLD) Region Toowoomba Region Add a free Ghinghinda business listing Be the first listing in Ghinghinda Common questionsWhat is the postcode for Ghinghinda?Ghinghinda, QLD has the postcode 4420.What state is Ghinghinda in?Ghinghinda is in Queensland (QLD).Does postcode 4420 cover more than one suburb?Yes. Postcode 4420 covers 8 localities, so the postcode alone does not identify Ghinghinda. Browse other postcodes in Queensland, or widen the search to every Australian postcode.