Home Postcode finder QLD Avoca Avoca postcode QLD Avoca is a locality in Queensland covered by postcode 4670. Postcode 4670 State or territory Queensland (QLD) Region Sunshine Coast Add a free Avoca business listing More business listings in Avoca Businesses in AvocaAbove and Beyond Bundy Childcare14 Heidke St, Avoca QLD 4670, Australia · 43048051Shift Automotive Bundaberg1 Turner Street, Avoca Queensland 4670, Australia · (07) 4196 0730 Common questionsWhat is the postcode for Avoca?Avoca, QLD has the postcode 4670.What state is Avoca in?Avoca 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 Avoca. Browse other postcodes in Queensland, or widen the search to every Australian postcode.