Average GPS coordinates for San Antonio Postcode location: 10.95, -63.917. (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):
>> Nueva Esparta, 6301 San Antonio, Insular, GPS coordinates: 10.95000, -63.91667