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