Home Postcode finder QLD Manyung Manyung postcode QLD Manyung is a locality in Queensland covered by postcode 4605. Postcode 4605 State or territory Queensland (QLD) Region Toowoomba Region Add a free Manyung business listing Be the first listing in Manyung Common questionsWhat is the postcode for Manyung?Manyung, QLD has the postcode 4605.What state is Manyung in?Manyung is in Queensland (QLD).Does postcode 4605 cover more than one suburb?Yes. Postcode 4605 covers 21 localities, so the postcode alone does not identify Manyung. Browse other postcodes in Queensland, or widen the search to every Australian postcode.