El Pueblo Llano de la Unión belongs to the municipality Ixtapan de la Sal, Estado de México state and its official ZIP Code is 51917
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 Ixtapan de la Sal the Zip Code range of the Estado de México state is 50 a 57. To send letters or packages to Ixtapan de la Sal, Estado de México you must always use the five-digit postal code.
The local area phone code is 721
Check out the Estado de México ZIP Code list
Check out the list of cities with 51917 ZIP Code in México