Home Postcode finder QLD Mount Chalmers Mount Chalmers postcode QLD Mount Chalmers is a locality in Queensland covered by postcode 4702. Postcode 4702 State or territory Queensland (QLD) Region Central QLD Add a free Mount Chalmers business listing Be the first listing in Mount Chalmers Common questionsWhat is the postcode for Mount Chalmers?Mount Chalmers, QLD has the postcode 4702.What state is Mount Chalmers in?Mount Chalmers is in Queensland (QLD).Does postcode 4702 cover more than one suburb?Yes. Postcode 4702 covers 87 localities, so the postcode alone does not identify Mount Chalmers. Browse other postcodes in Queensland, or widen the search to every Australian postcode.