Average GPS coordinates for San Antonio Postcode location: 28.26, -110.203. (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 (5):
>> Sonora, 83260 San Antonio, Hermosillo, Hermosillo, GPS coordinates: 29.7167,-110.9667
>> Sonora, 85050 San Antonio, Cajeme, Ciudad Obregon, GPS coordinates: 28.95,-111.4
>> Sonora, 85222 San Antonio, Navojoa, GPS coordinates: 27.2833,-108.95
>> Sonora, 85249 San Antonio, Huatabampo, GPS coordinates: 27.2833,-108.95
>> Sonora, 85536 San Antonio, Empalme, GPS coordinates: 28.0667,-110.75