Home Postcode finder QLD Mount Rascal Mount Rascal postcode QLD Mount Rascal is a locality in Queensland covered by postcode 4350. Postcode 4350 State or territory Queensland (QLD) Region Toowoomba Region Add a free Mount Rascal business listing Be the first listing in Mount Rascal Common questionsWhat is the postcode for Mount Rascal?Mount Rascal, QLD has the postcode 4350.What state is Mount Rascal in?Mount Rascal is in Queensland (QLD).Does postcode 4350 cover more than one suburb?Yes. Postcode 4350 covers 43 localities, so the postcode alone does not identify Mount Rascal. Browse other postcodes in Queensland, or widen the search to every Australian postcode.