niangala postcode nswrv Home ›› Postcode Finder ›› NSWRV ›› Niangala Niangala local listingsThe suburb of Niangala is located in NSW and has a postcode of 2354. Free niangala business listing! 1Niangala Public SchoolFoster St 02 67692254 View more business listings in niangala Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.