Average GPS coordinates for San Antonio Postcode location: 28.667, -107.433. (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 (3):
>> Colima, 28180 San Antonio, Tecoman, Tecoman, GPS coordinates: 28.6667,-107.4333
>> Colima, 28463 San Antonio, Comala, GPS coordinates: 28.6667,-107.4333
>> Colima, 28767 San Antonio, Minatitlan, GPS coordinates: 28.6667,-107.4333