Street Balmaceda in Portezuelo, Región del Biobío, has a single postal code for any house number. Like every other street in this comuna, the single postal code of Portezuelo is 3960000.
To find the ZIP code of another street in Portezuelo, Región del Biobío, first open the street listing of Portezuelo and select the one you need. See the street listing of Portezuelo