Gjennomsnittlig GPS-koordinater for postnummer 79821: 21.733, -98.583
Notering byer:
>> El Ciruelar 79821, San Luis Potosi, San Vicente Tancuayalab, GPS-koordinater: 21.7333,-98.5833
Notering byer:
>> El Ciruelar 79821, San Luis Potosi, San Vicente Tancuayalab, GPS-koordinater: 21.7333,-98.5833