| Place | Post Code |
|---|---|
| Castillone, Ichuña | 18530 |
| Catusivi, Ichuña | 18530 |
| Ccollantani, Ichuña | 18530 |
| Ccollpa, Ichuña | 18530 |
| Chaje, Ichuña | 18530 |
| Challacaja, Ichuña | 18530 |
| Challachalla, Ichuña | 18530 |
| Challhuane (Santa Clara), Ichuña | 18530 |
| Chaprani, Ichuña | 18530 |
| Chaupipiña, Ichuña | 18530 |
| Chiarauyo, Ichuña | 18530 |
| Chilacachi, Ichuña | 18530 |
| Chillisaya, Ichuña | 18530 |
| Chimo, Ichuña | 18530 |
| Chocñacota, Ichuña | 18530 |
| Chosecani, Ichuña | 18530 |
| Chuncuruni, Ichuña | 18530 |
| Cobrepata, Ichuña | 18530 |
| Cochapampa, Ichuña | 18530 |
| Codorpata, Ichuña | 18530 |
| Collahuaqui, Ichuña | 18530 |
| Collanullo, Ichuña | 18530 |
| Collpa Patilla, Ichuña | 18530 |
| Collpacucho, Ichuña | 18530 |
| Condorani, Ichuña | 18530 |
| Corapolo, Ichuña | 18530 |