Notering byer (12 sted (er)). Velg byen for å se postnummeret (s):
| Okachimachi (1) Okamura (1) Okayama (1) Okimura (1) Okinono (1) Okishinden (1) | Okiurahei (1) Okiurakou (1) Okiuraotsu (1) Okunokawa (1) Okurachou (1) Okuura (1) |
