Home Postcode finder QLD Calingunee Calingunee postcode QLD Calingunee is a locality in Queensland covered by postcode 4390. Postcode 4390 State or territory Queensland (QLD) Region Toowoomba Region Add a free Calingunee business listing Be the first listing in Calingunee Common questionsWhat is the postcode for Calingunee?Calingunee, QLD has the postcode 4390.What state is Calingunee in?Calingunee is in Queensland (QLD).Does postcode 4390 cover more than one suburb?Yes. Postcode 4390 covers 10 localities, so the postcode alone does not identify Calingunee. Browse other postcodes in Queensland, or widen the search to every Australian postcode.