La Colonia San Carlos belongs to the municipality Libres, Puebla state and its official ZIP Code is 73797
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 Libres the Zip Code range of the Puebla state is 72 a 75. To send letters or packages to Libres, Puebla you must always use the five-digit postal code.
The local area phone code is 276
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Check out the list of cities with 73797 ZIP Code in México