Keskimääräinen GPS-koordinaatit postinumero 2300: -32.93, 151.778

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Listatut kaupungit:
>> Bar Beach 2300, New South Wales, HUNTER, GPS-koordinaatit: -32.931,151.7754
>> Cooks Hill 2300, New South Wales, HUNTER, GPS-koordinaatit: -32.931,151.7754
>> Newcastle 2300, New South Wales, HUNTER, GPS-koordinaatit: -32.9271,151.7765
>> Newcastle East 2300, New South Wales, HUNTER, GPS-koordinaatit: -32.9279,151.788
>> The Hill 2300, New South Wales, HUNTER, GPS-koordinaatit: -32.931,151.7754