Home Postcode finder WA Lower Hotham Lower Hotham postcode WA Lower Hotham is a locality in Western Australia covered by postcode 6390. Postcode 6390 State or territory Western Australia (WA) Region Wa Subs 2 Gsr Add a free Lower Hotham business listing Be the first listing in Lower Hotham Common questionsWhat is the postcode for Lower Hotham?Lower Hotham, WA has the postcode 6390.What state is Lower Hotham in?Lower Hotham is in Western Australia (WA).Does postcode 6390 cover more than one suburb?Yes. Postcode 6390 covers 11 localities, so the postcode alone does not identify Lower Hotham. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.