Average GPS coordinates for San Fernando Postcode location: 29.382, -110.623. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). San Fernando on map:

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Listing cities & postcodes (3):
>> Sonora, 83905 San Fernando, Benjamin Hill, GPS coordinates: 31.2667,-110.6
>> Sonora, 85285 San Fernando, Etchojoa, GPS coordinates: 27.9783,-109.7532
>> Sonora, 85523 San Fernando, Empalme, GPS coordinates: 28.9,-111.5167