Home Postcode finder QLD Avenell Heights Avenell Heights postcode QLD Avenell Heights is a locality in Queensland covered by postcode 4670. Postcode 4670 State or territory Queensland (QLD) Region Sunshine Coast Add a free Avenell Heights business listing Be the first listing in Avenell Heights Common questionsWhat is the postcode for Avenell Heights?Avenell Heights, QLD has the postcode 4670.What state is Avenell Heights in?Avenell Heights is in Queensland (QLD).Does postcode 4670 cover more than one suburb?Yes. Postcode 4670 covers 52 localities, so the postcode alone does not identify Avenell Heights. Browse other postcodes in Queensland, or widen the search to every Australian postcode.