Home Postcode finder QLD Lytton Lytton postcode QLD Lytton is a locality in Queensland covered by postcode 4178. Postcode 4178 State or territory Queensland (QLD) Region Brisbane Central Add a free Lytton business listing More business listings in Lytton Businesses in LyttonLocal Appliance Rentals. Pty LtdACN 128 351 084 · 1800980650 Common questionsWhat is the postcode for Lytton?Lytton, QLD has the postcode 4178.What state is Lytton in?Lytton is in Queensland (QLD).Does postcode 4178 cover more than one suburb?Yes. Postcode 4178 covers 6 localities, so the postcode alone does not identify Lytton. Browse other postcodes in Queensland, or widen the search to every Australian postcode.