Home Postcodes by state NSW 2355 Postcode 2355 2355 is the postcode for 3 localities in NSW: Bendemeer, Retreat and Watsons Creek. Localities with postcode 2355BendemeerNSWRetreatNSWWatsons CreekNSW Postcode 2355 State or territory New South Wales (NSW) Localities 3 Council area Tamworth Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 2354 · Postcode 2356