Average GPS coordinates for Madero Postcode location: 18.9, -103.792. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Madero on map:

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Listing cities & postcodes (1):
>> Chihuahua, 31807 Madero, Nuevo Casas Grandes, GPS coordinates: 18.9,-103.7917