Average GPS coordinates for San Mateo Postcode location: -5.914, -77.756. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). San Mateo on map:

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Listing cities & postcodes (3):
>> Amazonas, 01810 San Mateo, Bagua, GPS coordinates: -5.40944, -78.10111
>> Amazonas, 01250 San Mateo, Bongará, GPS coordinates: -5.86389, -77.77295
>> Amazonas, 01340 San Mateo, Rodríguez de Mendoza, GPS coordinates: -6.46861, -77.39444