Home Postcode finder QLD Cooyar Cooyar postcode QLD Cooyar is a locality in Queensland covered by postcode 4402. Postcode 4402 State or territory Queensland (QLD) Region Toowoomba Region Add a free Cooyar business listing More business listings in Cooyar Businesses in CooyarCooyar State SchoolGracey St · 07 46926129 Common questionsWhat is the postcode for Cooyar?Cooyar, QLD has the postcode 4402.What state is Cooyar in?Cooyar is in Queensland (QLD).Does postcode 4402 cover more than one suburb?Yes. Postcode 4402 covers 3 localities, so the postcode alone does not identify Cooyar. Browse other postcodes in Queensland, or widen the search to every Australian postcode.