singleton postcode nswbu Home ›› Postcode Finder ›› NSWBU ›› Singleton Singleton local listingsThe suburb of Singleton is located in NSW and has a postcode of 2330. Free singleton business listing! 1Coalfields Climate - Aircon Suppliers & Servicing101A John Street, Singleton NSW, Australia +61 422 493 1022Its Endless205 John St, Singleton NSW 2330, Australia 02657112613Singleton Dental Care with MS Dental Singleton99 John Street, Singleton NSW 2330, Australia (02) 6572 2526 View more business listings in singleton Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.