The Barwon River area covers the suburbs of: Ashley, Baan Baa, Banoon, Barraba, Basin Plain, Bellata, Bingara, Biniguy, Blue Vale, Boggabilla, Boggabri, Bohena Creek, Boolcarroll, Boomi, Breeza, Bullarah, Bullawa Creek, Bulyeroi, Burburgate, Burren Junction, Caroda, Cobbadah, Collarenebri, Coocooboonah, Coolatai, Couradda, Crooble, Croppa Creek, Curlewis, Cuttabri, Dinoga, Drildool, Edgeroi, Emerald Hill, Eulah Creek, Garah, Ghoolendaadi, Goolhi, Gravesend, Gulf Creek, Gundamulda, Gunnedah, Gunnembene, Gurley, Gwabegar, Halls Creek, Harparary, Horton Valley, Ironbark, Jacks Creek, Jews Lagoon, Kaputar, Keera, Kelvin, Klori, Lindesay, Longarm, Mallowa, Manilla, Marys Mount, Maules Creek, Mayvale, Meermaul, Merah North, Milguy, Millie, Milroy, Moree, Moree East, Mullaley, Mungindi, Mungle, Narrabri, Narrabri West, Nea, Noggabri, North Star, Nowley, Orange Grove, Pallamallawa, Pilliga, Premer, Pullaming, Rangari, Red Hill, Rowena, Spring Plains, Tambar Springs, Tarriaro, Terry Hie Hie, Thalaba, The Pilliga, Thirloene, Tikitere, Tulloona, Turrawan, Upper Bingara, Upper Manilla, Warialda, Warialda Rail, Wean, Wee Waa, Weemelah, Willala, Woodsreef, Yarraman and Yarrie Lake.