Home Postcode finder QLD Goodar Goodar postcode QLD Goodar is a locality in Queensland covered by postcode 4390. Postcode 4390 State or territory Queensland (QLD) Region Toowoomba Region Add a free Goodar business listing Be the first listing in Goodar Common questionsWhat is the postcode for Goodar?Goodar, QLD has the postcode 4390.What state is Goodar in?Goodar 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 Goodar. Browse other postcodes in Queensland, or widen the search to every Australian postcode.