Average GPS coordinates for San Diego Postcode location: 19.867, -88.717. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). San Diego on map:

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Listing cities & postcodes (1):
>> Quintana Roo, 77800 San Diego, Jose Maria Morelos, GPS coordinates: 19.8667,-88.7167