Average GPS coordinates for San Marcos Postcode location: -6.381, -78.561. (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):
>> Cajamarca, 06825 San Marcos, San Ignacio, GPS coordinates: -5.44029, -78.91600
>> Cajamarca, 06321 San Marcos, San Marcos, GPS coordinates: -7.32146, -78.20561