Average GPS coordinates for Las Piedras Postcode location: 22.333, -99.133. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Las Piedras on map:

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Listing cities & postcodes (1):
>> San Luis Potosi, 78150 Las Piedras, San Luis Potosi, San Luis Potosi, GPS coordinates: 22.3333,-99.1333