Home Postcode finder QLD Merinda Merinda postcode QLD Merinda is a locality in Queensland covered by postcode 4805. Postcode 4805 State or territory Queensland (QLD) Region North QLD Add a free Merinda business listing Be the first listing in Merinda Common questionsWhat is the postcode for Merinda?Merinda, QLD has the postcode 4805.What state is Merinda in?Merinda is in Queensland (QLD).Does postcode 4805 cover more than one suburb?Yes. Postcode 4805 covers 7 localities, so the postcode alone does not identify Merinda. Browse other postcodes in Queensland, or widen the search to every Australian postcode.