Home Postcode finder QLD Peacock Siding Peacock Siding postcode QLD Peacock Siding is a locality in Queensland covered by postcode 4850. Postcode 4850 State or territory Queensland (QLD) Region North QLD Add a free Peacock Siding business listing Be the first listing in Peacock Siding Common questionsWhat is the postcode for Peacock Siding?Peacock Siding, QLD has the postcode 4850.What state is Peacock Siding in?Peacock Siding is in Queensland (QLD).Does postcode 4850 cover more than one suburb?Yes. Postcode 4850 covers 34 localities, so the postcode alone does not identify Peacock Siding. Browse other postcodes in Queensland, or widen the search to every Australian postcode.