La Colonia Ex-Ejido de San Francisco Culhuacán belongs to the delegation of Coyoacán, Ciudad de México (CDMX) and its official ZIP Code is 04420
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 Mexico City DF, the first two digits represent the administrative division (Delegation). In the case of Coyoacán the Zip Code range of the Ciudad de México state is 01 a 16. To send letters or packages to Coyoacán, Ciudad de México you must always use the five-digit postal code.
The local area phone code is 55
Check out the Ciudad de México ZIP Code list
Check out the list of cities with 04420 ZIP Code in México