Home Postcode finder QLD Mount Moriah Mount Moriah postcode QLD Mount Moriah is a locality in Queensland covered by postcode 4403. Postcode 4403 State or territory Queensland (QLD) Region Toowoomba Region Add a free Mount Moriah business listing Be the first listing in Mount Moriah Common questionsWhat is the postcode for Mount Moriah?Mount Moriah, QLD has the postcode 4403.What state is Mount Moriah in?Mount Moriah is in Queensland (QLD).Does postcode 4403 cover more than one suburb?Yes. Postcode 4403 covers 6 localities, so the postcode alone does not identify Mount Moriah. Browse other postcodes in Queensland, or widen the search to every Australian postcode.