Home Postcodes by state NSW 2379 Postcode 2379 2379 is the postcode for 4 localities in NSW: Goolhi, Mullaley, Napier Lane and Nombi. Postcode 2379 State or territory New South Wales (NSW) Localities 4 Council area Warrumbungle; Gunnedah Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Localities with postcode 2379GoolhiNSWMullaleyNSWNapier LaneNSWNombiNSW Browse postcodes in order← 2372 Back Creek · 2380 Blue Vale →