Average GPS coordinates for San Salvador Postcode location: -3.881, -73.749. (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 (3):
>> Loreto, 16630 San Salvador, Datem del Marañón, GPS coordinates: -4.31778, -76.59065
>> Loreto, 16210 San Salvador, Maynas, GPS coordinates: -2.28722, -70.77037
>> Loreto, 16340 San Salvador, Requena, GPS coordinates: -5.03868, -73.88607