El Fraccionamiento Fermín Monte Negro belongs to the municipality Cortazar, Guanajuato state and its official ZIP Code is 38383
The Postal Codes National Catalog is prepared by the Mexican Postal Service and the postal code has 5 digits, depending on the country area. The first two digits identify the state or part of it. In the case of Cortazar the Zip Code range of the Guanajuato state is 36 a 38. To send letters or packages to Cortazar, Guanajuato you must always use the five-digit postal code.
The local area phone code is 411
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Check out the list of cities with 38383 ZIP Code in México