Average GPS coordinates for La Piedrera Postcode location: 21.014, -100.844. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). La Piedrera on map:

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Listing cities & postcodes (1):
>> Guanajuato, 37414 La Piedrera, Leon, Leon de los Aldama (leon), GPS coordinates: 21.0138,-100.8436