Average GPS coordinates for San Mateo Postcode location: -0.96, -80.813. (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 (1):
>> Manta, 130803 San Mateo, Manabí, GPS coordinates: -0.96022, -80.81315