Home Postcode finder QLD Wallaman Wallaman postcode QLD Wallaman is a locality in Queensland covered by postcode 4850. Postcode 4850 State or territory Queensland (QLD) Region North QLD Add a free Wallaman business listing Be the first listing in Wallaman Common questionsWhat is the postcode for Wallaman?Wallaman, QLD has the postcode 4850.What state is Wallaman in?Wallaman is in Queensland (QLD).Does postcode 4850 cover more than one suburb?Yes. Postcode 4850 covers 34 localities, so the postcode alone does not identify Wallaman. Browse other postcodes in Queensland, or widen the search to every Australian postcode.