El Rancho La Vieja belongs to the municipality Charcas, San Luis Potosí state and its official ZIP Code is 78587
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 Charcas the Zip Code range of the San Luis Potosí state is 78 y 79. To send letters or packages to Charcas, San Luis Potosí you must always use the five-digit postal code.
The local area phone code is 486
Check out the San Luis Potosí ZIP Code list
Check out the list of cities with 78587 ZIP Code in México