Home Postcode finder QLD New Auckland New Auckland postcode QLD New Auckland is a locality in Queensland covered by postcode 4680. Postcode 4680 State or territory Queensland (QLD) Region Central QLD Add a free New Auckland business listing Be the first listing in New Auckland Common questionsWhat is the postcode for New Auckland?New Auckland, QLD has the postcode 4680.What state is New Auckland in?New Auckland is in Queensland (QLD).Does postcode 4680 cover more than one suburb?Yes. Postcode 4680 covers 41 localities, so the postcode alone does not identify New Auckland. Browse other postcodes in Queensland, or widen the search to every Australian postcode.