El Barrio La Montaña belongs to the municipality Amatenango de la Frontera, Chiapas state and its official ZIP Code is 30945
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 Amatenango de la Frontera the Zip Code range of the Chiapas state is 29 y 30. To send letters or packages to Amatenango de la Frontera, Chiapas you must always use the five-digit postal code.
The local area phone code is 963
Check out the Chiapas ZIP Code list
Check out the list of cities with 30945 ZIP Code in México