La Colonia Río Blanco belongs to the municipality Acámbaro, Guanajuato state and its official ZIP Code is 38689
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 Acámbaro the Zip Code range of the Guanajuato state is 36 a 38. To send letters or packages to Acámbaro, Guanajuato you must always use the five-digit postal code.
The local area phone code is 417
Check out the Guanajuato ZIP Code list
Check out the list of cities with 38689 ZIP Code in México