Home Postcode finder WA Katanning Katanning postcode WA Katanning is a locality in Western Australia covered by postcode 6317. Postcode 6317 State or territory Western Australia (WA) Region Wa Subs 2 Gsr Add a free Katanning business listing More business listings in Katanning Businesses in Katanning28 Albion Street28 Albion St · 0865551827Braeside Primary School17 Carinya Gardens · 08 98212328Katanning Accommodation28 Albion St · 08 6555 1827 Common questionsWhat is the postcode for Katanning?Katanning, WA has the postcode 6317.What state is Katanning in?Katanning is in Western Australia (WA).Does postcode 6317 cover more than one suburb?Yes. Postcode 6317 covers 14 localities, so the postcode alone does not identify Katanning. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.