Notering byer (12 sted (er)). Velg byen for å se postnummeret (s):
| Painscastle (1) Pen-y-garreg (1) Pencelli (1) Pengenffordd (1) Penpont (1) Pentre-bach (1) | Pentre-Dolau-Honddu (1) Pentre-Llwyn-Llwyd (1) Pentre'r-felin (1) Pipton (1) Pont-faen (1) Pwllgloyw (1) |
