Average GPS coordinates for Monterrey Postcode location: 25.956, -101.664. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Monterrey on map:

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Listing cities & postcodes (3):
>> Chiapas, 29125 Monterrey, San Fernando, GPS coordinates: 26.55,-101.0333
>> Chiapas, 29960 Monterrey, Palenque, Palenque, GPS coordinates: 25.8,-100.875
>> Chiapas, 30523 Monterrey, Villa Corzo, GPS coordinates: 25.5167,-103.0833