La Colonia Palo Alto belongs to the municipality Huichapan, Hidalgo state and its official ZIP Code is 42420
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 Huichapan the Zip Code range of the Hidalgo state is 42 y 43. To send letters or packages to Huichapan, Hidalgo you must always use the five-digit postal code.
The local area phone code is 761
Check out the Hidalgo ZIP Code list
Check out the list of cities with 42420 ZIP Code in México