Average GPS coordinates for San Souci Postcode location: 18.472, -69.917. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). San Souci on map:

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Listing cities & postcodes (1):
>> 11603 San Souci, GPS coordinates: 18.4722,-69.9167