Gjennomsnittlig GPS-koordinater for postnummer 78820: 23.35, -100.567
Notering byer:
>> El Carmen 78820, San Luis Potosi, Matehuala, GPS-koordinater: 23.35,-100.5667
Notering byer:
>> El Carmen 78820, San Luis Potosi, Matehuala, GPS-koordinater: 23.35,-100.5667