Home Postcode finder QLD Cloyna Cloyna postcode QLD Cloyna is a locality in Queensland covered by postcode 4605. Postcode 4605 State or territory Queensland (QLD) Region Toowoomba Region Add a free Cloyna business listing More business listings in Cloyna Businesses in CloynaCloyna State School8 Cloyna East Rd · 07 41686247 Common questionsWhat is the postcode for Cloyna?Cloyna, QLD has the postcode 4605.What state is Cloyna in?Cloyna is in Queensland (QLD).Does postcode 4605 cover more than one suburb?Yes. Postcode 4605 covers 21 localities, so the postcode alone does not identify Cloyna. Browse other postcodes in Queensland, or widen the search to every Australian postcode.