Home Postcodes by state WA Cambridge Gulf Cambridge Gulf postcode WA Cambridge Gulf is a locality in Western Australia covered by postcode 6743. Postcode 6743 State or territory Western Australia (WA) Region North West Suburbs Council area Wyndham-East Kimberley Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Add a free Cambridge Gulf business listing Be the first listing in Cambridge Gulf Also in postcode 6743DurackWA 6743GibbWA 6743KununurraWA 6743Lake ArgyleWA 6743WarmunWA 6743 Common questionsWhat is the postcode for Cambridge Gulf?Cambridge Gulf, WA has the postcode 6743.What state is Cambridge Gulf in?Cambridge Gulf is in Western Australia (WA).What council is Cambridge Gulf in?Cambridge Gulf is in the Wyndham-East Kimberley local government area.Does postcode 6743 cover more than one suburb?Yes. Postcode 6743 covers 6 localities, so the postcode alone does not identify Cambridge Gulf. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.