Notering byer (13 sted (er)). Velg byen for å se postnummeret (s):
| Bangor-is-y-coed (1) Bersham (1) Betws-yn-Rhos (1) Bodfari (1) Bontuchel (1) Borras Head (1) Bowling Bank (1) | Bronygarth (1) Brymbo (1) Bryn-y-maen (1) Burton Green (1) Bwlchgwyn (1) Bylchau (1) |
