Average GPS coordinates for Monterrey Postcode location: -7.633, -76.73. (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 (2):
>> San Martin, 22610 Monterrey, Mariscal Cáceres, GPS coordinates: -7.29973, -76.77663
>> San Martin, 22530 Monterrey, Tocache, GPS coordinates: -7.96667, -76.68417