| Place | Post Code |
|---|---|
| Jachuta, Ichuña | 18530 |
| Jacosive, Ichuña | 18530 |
| Jaipipiña, Ichuña | 18530 |
| Janchallane, Ichuña | 18530 |
| Janco Huaraya, Ichuña | 18530 |
| Janco Ichinca, Ichuña | 18530 |
| Janco Neco, Ichuña | 18530 |
| Janco Saja, Ichuña | 18530 |
| Jancojaqui, Ichuña | 18530 |
| Jancomarca, Ichuña | 18530 |
| Jatumpuquio (Jatunpujo), Ichuña | 18530 |
| Jatun Pampa, Ichuña | 18530 |
| Jayujayuni, Ichuña | 18530 |
| Jesus Maria, Ichuña | 18530 |
| Jeuquehuecco, Ichuña | 18530 |
| Juchuy Pacchiri, Ichuña | 18530 |
| Jucuni, Ichuña | 18530 |
| Jupiska, Ichuña | 18530 |
| Kalachejota, Ichuña | 18530 |
| Kaurani Pujo, Ichuña | 18530 |
| Kello Caca, Ichuña | 18530 |
| La Rampujo, Ichuña | 18530 |
| La Yunta, Ichuña | 18530 |
| Laramaccota, Ichuña | 18530 |
| Ll Allahuane, Ichuña | 18530 |
| Llacasiri, Ichuña | 18530 |