The Area Codes of Australia: City/Town or RegionArea code 1.Riverland, Murraylands0825 (+61825) 2.Riverland, Murraylands0875 (+61875) 3.Riverland, Murraylands0885 (+61885) 4.Rockhampton, Mackay0748 (+61748) 5.Rockhampton, Mackay, Gladstone0749 (+61749) 6.Rockhampton, Mackay, Gladstone0779 (+61779)