| Place | Post Code |
|---|---|
| Aras, Navarra) | 31239 |
| Postal Codes in Estella Occidental | |
|---|---|
| Aguilar de Codés | |
| Ancín/Antzin | |
| Aras | |
| Armañanzas | |
| Azuelo | |
| Bargota | |
| Cabredo | |
| Desojo | |
| El Busto | |
| Espronceda | |
| Genevilla | |
| Lana | |
| Lapoblación | |
| Lazagurría | |
| Los Arcos | |
| Mendaza | |
| Metauten | |
| Sansol | |
| Sorlada | |
| Torralba del Río | |
| Torres del Río | |
| Viana | |