Average GPS coordinates for San Pedro Postcode location: 22.083, -99.633. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). San Pedro on map:

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Listing cities & postcodes (2):
>> San Luis Potosi, 78178 San Pedro, San Luis Potosi, San Luis Potosi, GPS coordinates: 22.4,-100.2167
>> San Luis Potosi, 79834 San Pedro, San Antonio, GPS coordinates: 21.7667,-99.05