Average GPS coordinates for El Penco Postcode location: -4.782, -80.64. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). El Penco on map:

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Listing cities & postcodes (2):
>> Piura, 20150 El Penco, Sullana, GPS coordinates: -4.68645, -80.57478
>> Piura, 20120 El Penco, Sullana, GPS coordinates: -4.87778, -80.70528