Gjennomsnittlig GPS-koordinater for postnummer 1691: -33.755, 151.2
Notering byer:
>> Northern Suburbs Mc 1691, New South Wales, GPS-koordinater: -33.7554,151.1998
Notering byer:
>> Northern Suburbs Mc 1691, New South Wales, GPS-koordinater: -33.7554,151.1998