La Colonia San José belongs to the delegation of Tláhuac, Ciudad de México (CDMX) and its official ZIP Code is 13020
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 Tláhuac the Zip Code range of the Ciudad de México state is 01 a 16. To send letters or packages to Tláhuac, Ciudad de México you must always use the five-digit postal code.
The local area phone code is 55
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Check out the list of cities with 13020 ZIP Code in México