Average GPS coordinates for La Isla Postcode location: -16.759, -70.859. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). La Isla on map:

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Listing cities & postcodes (1):
>> Moquegua, 18300 La Isla, General Sánchez Cerro, GPS coordinates: -16.75865, -70.85912