Average GPS coordinates for San Marcos Postcode location: -14.196, -72.842. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). San Marcos on map:

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Listing cities & postcodes (2):
>> Apurimac, 03455 San Marcos, Antabamba, GPS coordinates: -14.23528, -73.02012
>> Apurimac, 03350 San Marcos, Grau, GPS coordinates: -14.15752, -72.66341