Home Postcode finder WA Northern Gully Northern Gully postcode WA Northern Gully is a locality in Western Australia covered by postcode 6532. Postcode 6532 State or territory Western Australia (WA) Region Wa Subs 4 Coast Add a free Northern Gully business listing Be the first listing in Northern Gully Common questionsWhat is the postcode for Northern Gully?Northern Gully, WA has the postcode 6532.What state is Northern Gully in?Northern Gully is in Western Australia (WA).Does postcode 6532 cover more than one suburb?Yes. Postcode 6532 covers 59 localities, so the postcode alone does not identify Northern Gully. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.