Home Postcode finder QLD Wyalla Wyalla postcode QLD Wyalla is a locality in Queensland covered by postcode 4615. Postcode 4615 State or territory Queensland (QLD) Region Toowoomba Region Add a free Wyalla business listing Be the first listing in Wyalla Common questionsWhat is the postcode for Wyalla?Wyalla, QLD has the postcode 4615.What state is Wyalla in?Wyalla is in Queensland (QLD).Does postcode 4615 cover more than one suburb?Yes. Postcode 4615 covers 19 localities, so the postcode alone does not identify Wyalla. Browse other postcodes in Queensland, or widen the search to every Australian postcode.