Home Postcode finder QLD Mount Kynoch Mount Kynoch postcode QLD Mount Kynoch is a locality in Queensland covered by postcode 4350. Postcode 4350 State or territory Queensland (QLD) Region Toowoomba Region Add a free Mount Kynoch business listing More business listings in Mount Kynoch Businesses in Mount KynochNail Salon Toowoomba | NAIL ART BY QUIN.9a Cassidy Terrace, Mount Kynoch QLD, Australia · 0448724528 Common questionsWhat is the postcode for Mount Kynoch?Mount Kynoch, QLD has the postcode 4350.What state is Mount Kynoch in?Mount Kynoch 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 Kynoch. Browse other postcodes in Queensland, or widen the search to every Australian postcode.