Average GPS coordinates for San Antonio Postcode location: 20.429, -100.021. (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 (2):
>> Queretaro De Arteaga, 76144 San Antonio, Queretaro, Queretaro, GPS coordinates: 20.65,-99.95
>> Queretaro De Arteaga, 76884 San Antonio, Amealco de Bonfil, GPS coordinates: 20.2083,-100.0917