Average GPS coordinates for San Salvador Postcode location: 22.35, -101.067. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). San Salvador on map:

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Listing cities & postcodes (2):
>> San Luis Potosi, 78398 San Salvador, San Luis Potosi, San Luis Potosi, GPS coordinates: 22.35,-101.0667
>> San Luis Potosi, 78450 San Salvador, Ahualulco, GPS coordinates: 22.35,-101.0667