Average GPS coordinates for San Juan Postcode location: -1.633, -78.783. (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 (1):
>> Riobamba, 060160 San Juan, Chimborazo, GPS coordinates: -1.63288, -78.78275