Keskimääräinen GPS-koordinaatit postinumero 4121: -27.53, 153.051

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Listatut kaupungit:
>> Holland Park 4121, Queensland, UNDERWOOD SOUTH, GPS-koordinaatit: -27.5262,153.0605
>> Holland Park East 4121, Queensland, GPS-koordinaatit: -27.5298,153.0511
>> Holland Park West 4121, Queensland, UNDERWOOD SOUTH, GPS-koordinaatit: -27.5262,153.0605
>> Tarragindi 4121, Queensland, UNDERWOOD SOUTH, GPS-koordinaatit: -27.5333,153.0333
>> Wellers Hill 4121, Queensland, UNDERWOOD SOUTH, GPS-koordinaatit: -27.5333,153.05