Average GPS coordinates for San Luis Postcode location: -5.689, -78.369. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). San Luis on map:

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Listing cities & postcodes (3):
>> Amazonas, 01730 San Luis, Bagua, GPS coordinates: -5.58776, -78.39303
>> Amazonas, 01740 San Luis, Bagua, GPS coordinates: -5.61110, -78.43500
>> Amazonas, 01610 San Luis, Utcubamba, GPS coordinates: -5.86757, -78.27960