Gjennomsnittlig GPS-koordinater for postnummer 78657: 30.537, -98.374
Notering byer:
>> Marble Falls 78657, Texas, Burnet, GPS-koordinater: 30.5373,-98.3737
Notering byer:
>> Marble Falls 78657, Texas, Burnet, GPS-koordinater: 30.5373,-98.3737