Average GPS coordinates for San Antonio Postcode location: -4.767, -80.06. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). San Antonio on map:

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Listing cities & postcodes (4):
>> Piura, 20540 San Antonio, Ayabaca, GPS coordinates: -4.62451, -79.74980
>> Piura, 20340 San Antonio, Ayabaca, GPS coordinates: -4.99347, -79.96775
>> Piura, 20510 San Antonio, Ayabaca, GPS coordinates: -4.57824, -79.80019
>> Piura, 20100 San Antonio, Sullana, GPS coordinates: -4.87314, -80.72288