Average GPS coordinates for Santiago Postcode location: 20.428, -103.956. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Santiago on map:

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Listing cities & postcodes (3):
>> Jalisco, 48450 Santiago, Tomatlan, GPS coordinates: 20,-105.1
>> Jalisco, 49806 Santiago, Tuxpan, Tuxpan, GPS coordinates: 20,-105.1
>> Jalisco, 49920 Santiago, Tecalitlan, GPS coordinates: 21.2833,-101.6667