Home Postcode finder QLD Murrumba Murrumba postcode QLD Murrumba is a locality in Queensland covered by postcode 4312. Postcode 4312 State or territory Queensland (QLD) Region Western Suburbs Add a free Murrumba business listing Be the first listing in Murrumba Common questionsWhat is the postcode for Murrumba?Murrumba, QLD has the postcode 4312.What state is Murrumba in?Murrumba is in Queensland (QLD).Does postcode 4312 cover more than one suburb?Yes. Postcode 4312 covers 13 localities, so the postcode alone does not identify Murrumba. Browse other postcodes in Queensland, or widen the search to every Australian postcode.