Average GPS coordinates for Valle Alto Postcode location: 21.999, -100.294. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Valle Alto on map:

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Listing cities & postcodes (3):
>> San Luis Potosi, 79020 Valle Alto, Ciudad Valles, Ciudad Valles, GPS coordinates: 21.9778,-100.2889
>> San Luis Potosi, 79026 Valle Alto, Ciudad Valles, Ciudad Valles, GPS coordinates: 22.0467,-99.8767
>> San Luis Potosi, 79208 Valle Alto, Tamuin, Tamuin, GPS coordinates: 21.9712,-100.7166