Home Postcodes by state WA Weld Range Weld Range postcode WA Weld Range is a locality in Western Australia covered by postcode 6640. Postcode 6640 State or territory Western Australia (WA) Region North West Suburbs Council area Cue Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Add a free Weld Range business listing Be the first listing in Weld Range Also in postcode 6640CueWA 6640East MurchisonWA 6640Lake AustinWA 6640ReedyWA 6640 Common questionsWhat is the postcode for Weld Range?Weld Range, WA has the postcode 6640.What state is Weld Range in?Weld Range is in Western Australia (WA).What council is Weld Range in?Weld Range is in the Cue local government area.Does postcode 6640 cover more than one suburb?Yes. Postcode 6640 covers 5 localities, so the postcode alone does not identify Weld Range. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.