Average GPS coordinates for San Martin Postcode location: -8.899, -77.621. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). San Martin on map:

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Listing cities & postcodes (3):
>> Ancash, 02113 San Martin, Carhuaz, GPS coordinates: -9.36556, -77.58111
>> Ancash, 02280 San Martin, Carlos Fermín Fitzcarrald, GPS coordinates: -8.94668, -77.28070
>> Ancash, 02850 San Martin, Pallasca, GPS coordinates: -8.38557, -78.00217