Average GPS coordinates for San Diego Postcode location: 19.374, -90.537. (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 (2):
>> Campeche, 24810 San Diego, Hecelchakan, Pomuch, GPS coordinates: 18.9917,-90.98
>> Campeche, 24936 San Diego, Calkini, GPS coordinates: 19.7556,-90.0944