Gjennomsnittlig GPS-koordinater for postnummer 1811: -33.896, 151.008
Notering byer:
>> Silverwater 1811, New South Wales, PARRAMATTA, GPS-koordinater: -33.8958,151.0083
Notering byer:
>> Silverwater 1811, New South Wales, PARRAMATTA, GPS-koordinater: -33.8958,151.0083