Home Postcode finder QLD Mount Mort Mount Mort postcode QLD Mount Mort is a locality in Queensland covered by postcode 4340. Postcode 4340 State or territory Queensland (QLD) Region Western Suburbs Add a free Mount Mort business listing More business listings in Mount Mort Businesses in Mount MortPsychic Direction Mount Mort · 04 090 62 812 Common questionsWhat is the postcode for Mount Mort?Mount Mort, QLD has the postcode 4340.What state is Mount Mort in?Mount Mort is in Queensland (QLD).Does postcode 4340 cover more than one suburb?Yes. Postcode 4340 covers 18 localities, so the postcode alone does not identify Mount Mort. Browse other postcodes in Queensland, or widen the search to every Australian postcode.