Average GPS coordinates for San Juan Postcode location: -15.017, -72.278. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). San Juan on map:

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Listing cities & postcodes (2):
>> Ayacucho, 05520 San Juan, Lucanas, GPS coordinates: -14.67559, -74.17913
>> Ayacucho, 05645 San Juan, Páucar del Sara Sara, GPS coordinates: -15.35901, -70.37734