| Place | Post Code |
|---|---|
| Agocancha Alto, Cajay | 02305 |
| Agucancha Bajo, Cajay | 02305 |
| Añashuachanan, Cajay | 02305 |
| Arashniyoc, Cajay | 02305 |
| Buena Vista de Cachuna, Cajay | 02305 |
| Cajay, Cajay | 02305 |
| Cajayragra, Cajay | 02305 |
| Cardonyoc, Cajay | 02305 |
| Cashacasha, Cajay | 02305 |
| Cashajirca, Cajay | 02305 |
| Cashaucro, Cajay | 02305 |
| Cayas, Cajay | 02305 |
| Chacaragra, Cajay | 02305 |
| Chaupiloma, Cajay | 02305 |
| Chequeacocha, Cajay | 02305 |
| Chinchas, Cajay | 02305 |
| Colcaragra, Cajay | 02305 |
| Collota, Cajay | 02305 |
| Coquitan, Cajay | 02305 |
| Cruzjircan, Cajay | 02305 |
| Cuncash, Cajay | 02305 |
| Delantero, Cajay | 02305 |
| Gallan, Cajay | 02305 |
| Ganllajirca, Cajay | 02305 |
| Guerurajra, Cajay | 02305 |
| Herahuayi, Cajay | 02305 |