La Colonia Ampliaicón Sierrita belongs to the municipality Frontera, Coahuila state and its official ZIP Code is 25628
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 Frontera the Zip Code range of the Coahuila state is 25 a 27. To send letters or packages to Frontera, Coahuila you must always use the five-digit postal code.
The local area phone code is 866
Check out the Coahuila ZIP Code list
Check out the list of cities with 25628 ZIP Code in México