Home Postcode finder NSWRV Kiah Kiah postcode NSWRV Kiah is a locality in New South Wales covered by postcode 2551. Postcode 2551 State or territory New South Wales (NSWRV) Region NSW Country West Add a free Kiah business listing Be the first listing in Kiah Common questionsWhat is the postcode for Kiah?Kiah, NSWRV has the postcode 2551.What state is Kiah in?Kiah is in New South Wales (NSWRV).Does postcode 2551 cover more than one suburb?Yes. Postcode 2551 covers 14 localities, so the postcode alone does not identify Kiah. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.