| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Colbún, Colbún | 3610000 |
| Postal/ZIP Codes in Maule Sur, Colbún | 3610000 |
| Postal/ZIP Codes in Panimávida, Colbún | 3610000 |
| Postal/ZIP Codes in Paso Rari, Colbún | 3610000 |
| Postal/ZIP Codes in Quinamávida, Colbún | 3610000 |
| Postal/ZIP Codes in San Nicolás, Colbún | 3610000 |