El Barrio Guanajuatito (Cerrito de la Cruz) belongs to the municipality Santa María del Río, San Luis Potosí state and its official ZIP Code is 79565
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 Santa María del Río the Zip Code range of the San Luis Potosí state is 78 y 79. To send letters or packages to Santa María del Río, San Luis Potosí you must always use the five-digit postal code.
The local area phone code is 485
Check out the San Luis Potosí ZIP Code list
Check out the list of cities with 79565 ZIP Code in México