Average GPS coordinates for San Marino Postcode location: 18.879, -99.758. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). San Marino on map:

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Listing cities & postcodes (1):
>> Mexico, 52158 San Marino, Metepec, Metepec, GPS coordinates: 18.8792,-99.7583