| Place | Post Code |
|---|---|
| Aguar, Caujul | 15265 |
| Bado, Caujul | 15265 |
| Caujul, Caujul | 15265 |
| Chachapa, Caujul | 15265 |
| Esperanza, Caujul | 15265 |
| La Fe (La Hacienda), Caujul | 15265 |
| Lancha, Caujul | 15265 |
| Muyapampa, Caujul | 15265 |
| Nunumia, Caujul | 15265 |
| Pajonay, Caujul | 15265 |
| Pampash, Caujul | 15265 |
| Potaca, Caujul | 15265 |
| Pumahuain (Ascencion del Señor de Pumahuain), Caujul | 15265 |
| Reico, Caujul | 15265 |
| Rupapata, Caujul | 15265 |
| Seclon, Caujul | 15265 |
| Shuyog, Caujul | 15265 |
| Tambojirca, Caujul | 15265 |
| Tintasin, Caujul | 15265 |
| Ucausho, Caujul | 15265 |
| All postal codes in Oyón | |
|---|---|
| Andajes, Oyón | |
| Caujul, Oyón | |
| Cochamarca, Oyón | |
| Naván, Oyón | |
| Oyón, Oyón | |
| Pachangará, Oyón | |