Home Postcodes by state WA 6335 Postcode 6335 6335 is the postcode for 4 localities in WA: Gnowangerup, Jackitup, Kebaringup and Pallinup. Localities with postcode 6335GnowangerupWAJackitupWAKebaringupWAPallinupWA Postcode 6335 State or territory Western Australia (WA) Localities 4 Council area Gnowangerup Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 6333 · Postcode 6336