Gjennomsnittlig GPS-koordinater for postnummer 5221: -35.808, 137.75

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Notering byer:
>> American River 5221, South Australia, SA SUBS NEAR 2, GPS-koordinater: -35.7833,137.7667
>> Ballast Head 5221, South Australia, GPS-koordinater: -35.8083,137.75
>> Muston 5221, South Australia, GPS-koordinater: -35.8333,137.7333