Average GPS coordinates for San Antonio Postcode location: 0.3, -78.117. (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):
>> Ibarra, 100157 San Antonio, Imbabura, GPS coordinates: 0.30000, -78.11667