Keskimääräinen GPS-koordinaatit postinumero 2557: -33.99, 150.768

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Listatut kaupungit:
>> Catherine Field 2557, New South Wales, CAMPBELLTOWN, GPS-koordinaatit: -33.9748,150.7634
>> Gledswood Hills 2557, New South Wales, GPS-koordinaatit: -34.0044,150.7725
>> Gregory Hills 2557, New South Wales, GPS-koordinaatit: -34.0044,150.7725
>> Rossmore 2557, New South Wales, CAMPBELLTOWN, GPS-koordinaatit: -33.9748,150.7634