Average GPS coordinates for San Francisco Postcode location: 28.539, -110.372. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). San Francisco on map:

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Listing cities & postcodes (3):
>> Sonora, 83177 San Francisco, Hermosillo, Hermosillo, GPS coordinates: 29.2333,-110.6333
>> Sonora, 85287 San Francisco, Etchojoa, GPS coordinates: 27.9167,-110.0167
>> Sonora, 85519 San Francisco, San Ignacio Rio Muerto, GPS coordinates: 28.4667,-110.4667