| Locality | Postal Code |
|---|---|
| Ābeles, Penkules pagasts | 3725 |
| Ālave, Penkules pagasts | 3725 |
| Baldonas, Penkules pagasts | 3725 |
| Ezeriņi, Penkules pagasts | 3725 |
| Penkule, Penkules pagasts | 3725 |
| Sējas, Penkules pagasts | 3725 |
| Skujaine, Penkules pagasts | 3725 |
| Vecvagares, Penkules pagasts | 3725 |