Average GPS coordinates for San Antonio Postcode location: 19.063, -90.854. (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 (4):
>> Campeche, 24099 San Antonio, Campeche, Campeche, GPS coordinates: 18.575,-91.0417
>> Campeche, 24314 San Antonio, Carmen, GPS coordinates: 18.575,-91.0417
>> Campeche, 24500 San Antonio, Campeche, GPS coordinates: 19.55,-90.6667
>> Campeche, 24800 San Antonio, Hecelchakan, Hecelchakan, GPS coordinates: 19.55,-90.6667