Average GPS coordinates for San Isidro Postcode location: 22.175, -103.217. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). San Isidro on map:

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Listing cities & postcodes (2):
>> Zacatecas, 99323 San Isidro, Jerez, Jerez (jerez de Garcia Salinas), GPS coordinates: 22.85,-103.35
>> Zacatecas, 99826 San Isidro, Santa Maria de La Paz, GPS coordinates: 21.5,-103.0833