Home Postcodes by state NSW 2358 Postcode 2358 2358 is the postcode for 10 localities in NSW: Arding, Balala, Gostwyck, Kingstown, Mihi, Rocky River and 4 more. Localities with postcode 2358ArdingNSWBalalaNSWGostwyckNSWKingstownNSWMihiNSWRocky RiverNSWSalisbury PlainsNSWTorryburnNSWUrallaNSWYarrowyckNSW Postcode 2358 State or territory New South Wales (NSW) Localities 10 Council area Uralla Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2357 · Postcode 2359