| Place | Post Code |
|---|---|
| Achambi, San Juan | 06400 |
| Agua Blanca, San Juan | 06400 |
| Aranmarca, San Juan | 06400 |
| Cachilgon, San Juan | 06400 |
| Calani, San Juan | 06400 |
| Capulipampa, San Juan | 06400 |
| Chigden, San Juan | 06400 |
| Choten, San Juan | 06400 |
| Chusac, San Juan | 06400 |
| Cochapampa, San Juan | 06400 |
| El Higueron, San Juan | 06400 |
| El Marco, San Juan | 06400 |
| El Naranjo, San Juan | 06400 |
| Hierba Buena, San Juan | 06400 |
| Huacraruco, San Juan | 06400 |
| Huar Huar, San Juan | 06400 |
| La Conga, San Juan | 06400 |
| La Huaylla, San Juan | 06400 |
| La Laguna, San Juan | 06400 |
| La Visnaga, San Juan | 06400 |
| Lanchepata, San Juan | 06400 |
| Las Quinuas, San Juan | 06400 |
| Los Naranjos, San Juan | 06400 |
| Los Nogales, San Juan | 06400 |
| Maraybamba, San Juan | 06400 |
| Moraspampa, San Juan | 06400 |