Average GPS coordinates for El Llano Postcode location: 25.133, -98.667. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). El Llano on map:

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Listing cities & postcodes (1):
>> Tamaulipas, 89566 El Llano, Ciudad Madero, Ciudad Madero, GPS coordinates: 25.1333,-98.6667