Notering byer (12 sted (er)). Velg byen for å se postnummeret (s):
| Pencaenewydd (1) Penllech (1) Penmachno (1) Penmaenmawr (1) Penmorfa (1) Penrhos (1) | Penrhos-garnedd (1) Penrhyn-side (1) Pentir (1) Pentre-bont (1) Pentrefelin (1) Pentrefoelas (1) |
