Home Postcode finder QLD East Nanango East Nanango postcode QLD East Nanango is a locality in Queensland covered by postcode 4615. Postcode 4615 State or territory Queensland (QLD) Region Toowoomba Region Add a free East Nanango business listing Be the first listing in East Nanango Common questionsWhat is the postcode for East Nanango?East Nanango, QLD has the postcode 4615.What state is East Nanango in?East Nanango is in Queensland (QLD).Does postcode 4615 cover more than one suburb?Yes. Postcode 4615 covers 19 localities, so the postcode alone does not identify East Nanango. Browse other postcodes in Queensland, or widen the search to every Australian postcode.