Average GPS coordinates for San Antonio Postcode location: -27.867, -70.05. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). San Antonio on map:

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Listing cities & postcodes (1):
>> San Antonio, 2660000 San Antonio, Valparaíso, GPS coordinates: -27.86667, -70.05000