the warracknabeal bounded locality includes the rural neighbourhoods of batchica (whose post office opened as "yellangip south" in 1908, was renamed "batchica" in 1909 and closed in 1931), challambra (whose post office opened as "challamba dam" (sic) around 1902, was renamed "challamba" in 1905 and closed in 1918) and mellis (whose post office opened around 1907 and closed in 1954).