Gjennomsnittlig GPS-koordinater for postnummer 78663: 30.443, -98.437
Notering byer:
>> Round Mountain 78663, Texas, Blanco, GPS-koordinater: 30.4429,-98.4365
Notering byer:
>> Round Mountain 78663, Texas, Blanco, GPS-koordinater: 30.4429,-98.4365