Average GPS coordinates for San Guillermo Postcode location: -11.147, -77.424. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). San Guillermo on map:

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Listing cities & postcodes (2):
>> Lima, 15135 San Guillermo, Huaura, GPS coordinates: -11.07526, -77.61168
>> Lima, 15240 San Guillermo, Huaura, GPS coordinates: -11.21892, -77.23648