| Municipality | ZIP Code |
|---|---|
| Alilem | 2716 |
| Location | Municipality | Province | Region | ZIP Code |
|---|---|---|---|---|
| Alilem Daya | Alilem | Ilocos Sur | Ilocos Region | 2716 |
| Amilongan | Alilem | Ilocos Sur | Ilocos Region | 2716 |
| Anaao | Alilem | Ilocos Sur | Ilocos Region | 2716 |
| Apang | Alilem | Ilocos Sur | Ilocos Region | 2716 |
| Apaya | Alilem | Ilocos Sur | Ilocos Region | 2716 |
| Batbato | Alilem | Ilocos Sur | Ilocos Region | 2716 |
| Daddaay | Alilem | Ilocos Sur | Ilocos Region | 2716 |
| Dalawa | Alilem | Ilocos Sur | Ilocos Region | 2716 |
| Kiat | Alilem | Ilocos Sur | Ilocos Region | 2716 |
