Home Postcode finder QLD Campbells Pocket Campbells Pocket postcode QLD Campbells Pocket is a locality in Queensland covered by postcode 4521. Postcode 4521 State or territory Queensland (QLD) Region Moreton Add a free Campbells Pocket business listing Be the first listing in Campbells Pocket Common questionsWhat is the postcode for Campbells Pocket?Campbells Pocket, QLD has the postcode 4521.What state is Campbells Pocket in?Campbells Pocket is in Queensland (QLD).Does postcode 4521 cover more than one suburb?Yes. Postcode 4521 covers 8 localities, so the postcode alone does not identify Campbells Pocket. Browse other postcodes in Queensland, or widen the search to every Australian postcode.