Home Postcode finder QLD Upper Cooyar Creek Upper Cooyar Creek postcode QLD Upper Cooyar Creek is a locality in Queensland covered by postcode 4402. Postcode 4402 State or territory Queensland (QLD) Region Toowoomba Region Add a free Upper Cooyar Creek business listing Be the first listing in Upper Cooyar Creek Common questionsWhat is the postcode for Upper Cooyar Creek?Upper Cooyar Creek, QLD has the postcode 4402.What state is Upper Cooyar Creek in?Upper Cooyar Creek 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 Upper Cooyar Creek. Browse other postcodes in Queensland, or widen the search to every Australian postcode.