Home Postcode finder QLD Goranba Goranba postcode QLD Goranba is a locality in Queensland covered by postcode 4421. Postcode 4421 State or territory Queensland (QLD) Region Toowoomba Region Add a free Goranba business listing Be the first listing in Goranba Common questionsWhat is the postcode for Goranba?Goranba, QLD has the postcode 4421.What state is Goranba in?Goranba is in Queensland (QLD).Does postcode 4421 cover more than one suburb?Yes. Postcode 4421 covers 2 localities, so the postcode alone does not identify Goranba. Browse other postcodes in Queensland, or widen the search to every Australian postcode.