Home Postcode finder QLD Kelso Kelso postcode QLD Kelso is a locality in Queensland covered by postcode 4815. Postcode 4815 State or territory Queensland (QLD) Region North QLD Add a free Kelso business listing More business listings in Kelso Businesses in KelsoKelso State SchoolYvette St · 07 47896222No Bull Plumbing & Home MaintenanceKelso Drive, Kelso QLD 4815, Australia · 0458 072 591 Common questionsWhat is the postcode for Kelso?Kelso, QLD has the postcode 4815.What state is Kelso in?Kelso is in Queensland (QLD).Does postcode 4815 cover more than one suburb?Yes. Postcode 4815 covers 6 localities, so the postcode alone does not identify Kelso. Browse other postcodes in Queensland, or widen the search to every Australian postcode.