| Place | Post Code |
|---|---|
| Aguamachay, Obas | 10720 |
| Alacayog, Obas | 10720 |
| Andahuayla, Obas | 10720 |
| Angas, Obas | 10720 |
| Aymara, Obas | 10720 |
| Banderapuquio, Obas | 10720 |
| Buena Vista, Obas | 10720 |
| Canchapiteg, Obas | 10720 |
| Canchas, Obas | 10720 |
| Casa Machay, Obas | 10720 |
| Cashajircan, Obas | 10720 |
| Casharagran, Obas | 10720 |
| Castillo, Obas | 10720 |
| Cementopampa, Obas | 10720 |
| Chacpa, Obas | 10720 |
| Chaupi Wari, Obas | 10720 |
| Chaupijirca, Obas | 10720 |
| Chaupijircan, Obas | 10720 |
| Chaupipunta, Obas | 10720 |
| Chicocorral, Obas | 10720 |
| Chihuansaymachay, Obas | 10720 |
| Chuchupuquio, Obas | 10720 |
| Cochamarca, Obas | 10720 |
| Cochamarca Chico, Obas | 10720 |
| Cochas, Obas | 10720 |
| Cochasucro, Obas | 10720 |