Home Postcode finder QLD Lynam Lynam postcode QLD Lynam is a locality in Queensland covered by postcode 4818. Postcode 4818 State or territory Queensland (QLD) Region North QLD Add a free Lynam business listing Be the first listing in Lynam Common questionsWhat is the postcode for Lynam?Lynam, QLD has the postcode 4818.What state is Lynam in?Lynam is in Queensland (QLD).Does postcode 4818 cover more than one suburb?Yes. Postcode 4818 covers 18 localities, so the postcode alone does not identify Lynam. Browse other postcodes in Queensland, or widen the search to every Australian postcode.