Average GPS coordinates for San Antonio Postcode location: 22.233, -102.25. (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):
>> Aguascalientes, 20616 San Antonio, Tepezala, GPS coordinates: 22.2333,-102.25