Home Postcodes by state WA Lake Ninan Lake Ninan postcode WA Lake Ninan is a locality in Western Australia covered by postcode 6603. Postcode 6603 State or territory Western Australia (WA) Region Wa Subs 4 Coast Council area Wongan-Ballidu Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Add a free Lake Ninan business listing Be the first listing in Lake Ninan Suburbs near Lake NinanStraight-line distance between locality centres.Wongan HillsWA 6603 · 9.5 kmKonnongorringWA 6603 · 18.5 kmLake HindsWA 6603 · 19.8 kmCaraniWA 6566 · 21.7 kmYerecoinWA 6571 · 23.3 kmCalingiriWA 6569 · 24.4 km Also in postcode 6603KonnongorringWA 6603Lake HindsWA 6603MocardyWA 6603Wongan HillsWA 6603 Common questionsWhat is the postcode for Lake Ninan?Lake Ninan, WA has the postcode 6603.What state is Lake Ninan in?Lake Ninan is in Western Australia (WA).What council is Lake Ninan in?Lake Ninan is in the Wongan-Ballidu local government area.Does postcode 6603 cover more than one suburb?Yes. Postcode 6603 covers 5 localities, so the postcode alone does not identify Lake Ninan.What suburbs are near Lake Ninan?The closest are Wongan Hills (9.5 km), Konnongorring (18.5 km), Lake Hinds (19.8 km), Carani (21.7 km) and Yerecoin (23.3 km). Distances are straight lines between locality centres. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.