The town San Isidro belongs to Buenos Aires province and its ZIP Code is 1642.
Existe más de uno CPA para San Isidro en Buenos Aires. Debes seleccionar una de las streets from San Isidro and then the housenumber.
The ZIP Code for San Isidro in Buenos Aires is 1642
There are two types of postal codes in use in Argentina. The oldest 4-digit code still in use and the Argentine Postal Code (CPA). Since 1998 Correo Argentino is the entity responsible for maintaining, updating and incorporating into the Argentine Postal Code database of all localities, streets and heights existing in the territory of the Argentine Republic. The four digits that identify the locality are mostly the numbering that was previously used. Those localities with less than 500 inhabitants have a single CPA.
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See the list of towns with 1642 ZIP Code en Argentina