Home Postcode finder QLD Cotswold Hills Cotswold Hills postcode QLD Cotswold Hills is a locality in Queensland covered by postcode 4350. Postcode 4350 State or territory Queensland (QLD) Region Toowoomba Region Add a free Cotswold Hills business listing Be the first listing in Cotswold Hills Common questionsWhat is the postcode for Cotswold Hills?Cotswold Hills, QLD has the postcode 4350.What state is Cotswold Hills in?Cotswold Hills 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 Cotswold Hills. Browse other postcodes in Queensland, or widen the search to every Australian postcode.