Average GPS coordinates for San Nicolas Postcode location: 24.525, -99.067. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). San Nicolas on map:

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Listing cities & postcodes (2):
>> Tamaulipas, 87660 San Nicolas, San Nicolas, GPS coordinates: 24.6833,-98.8
>> Tamaulipas, 87819 San Nicolas, Hidalgo, GPS coordinates: 24.3667,-99.3333