Home Postcode finder NSW Lower Southgate Lower Southgate postcode NSW Lower Southgate is a locality in New South Wales covered by postcode 2460. Postcode 2460 State or territory New South Wales (NSW) Region NSW North Coast Add a free Lower Southgate business listing Be the first listing in Lower Southgate Common questionsWhat is the postcode for Lower Southgate?Lower Southgate, NSW has the postcode 2460.What state is Lower Southgate in?Lower Southgate is in New South Wales (NSW).Does postcode 2460 cover more than one suburb?Yes. Postcode 2460 covers 91 localities, so the postcode alone does not identify Lower Southgate. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.