callaghan postcode nsw Home ›› Postcode Finder ›› NSW ›› Callaghan Callaghan local listingsThe suburb of Callaghan is located in NSW and has a postcode of 2308. Free callaghan business listing! 1KU Wonnayba Children's CentreUniversity of Newcastle University Drive 02 4967 6488 2KU Kintaiba Children's CentreUniversity of Newcastle University Drive 02 4967 3475 3Kooinda Work Based Child Care CentreUniversity of Newcastle University Drive 02 4921 7171 View more business listings in callaghan Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.