| Locality | Post Code |
|---|---|
| San Juan 1, Guajayvi | 021602 |
| San Ramon, Guajayvi | 021604 |
| Santa Rosa, Guajayvi | 021601 |
| Santo Domingo 1, Guajayvi | 021614 |
| Santo Domingo 2, Guajayvi | 021608 |
| Segunda Linea Chachi, Guajayvi | 021613 |
| Tavai 1000, Guajayvi | 021615 |
| Toro Piru, Guajayvi | 021603 |
| Tupasy, Guajayvi | 021618 |
| Ykua Pora, Guajayvi | 021616 |