Home Postcode finder QLD Mount Martin Mount Martin postcode QLD Mount Martin is a locality in Queensland covered by postcode 4754. Postcode 4754 State or territory Queensland (QLD) Region Central QLD Add a free Mount Martin business listing Be the first listing in Mount Martin Common questionsWhat is the postcode for Mount Martin?Mount Martin, QLD has the postcode 4754.What state is Mount Martin in?Mount Martin is in Queensland (QLD).Does postcode 4754 cover more than one suburb?Yes. Postcode 4754 covers 7 localities, so the postcode alone does not identify Mount Martin. Browse other postcodes in Queensland, or widen the search to every Australian postcode.