| Locality | Post Code |
|---|---|
| Ogori Sakaemachi (山口市) | 754-0026 |
| Ogori Sangenyamachi (山口市) | 754-0027 |
| Ogori Shimmachi (山口市) | 754-0031 |
| Ogori Shimogo (山口市) | 754-0002 |
| Ogori Takasagomachi (山口市) | 754-0014 |
| Ogori Wakakusamachi (山口市) | 754-0024 |
| Ogori Yamatekamimachi (山口市) | 754-0005 |
| Oichicho (山口市) | 753-0033 |
| Orimoto (山口市) | 753-0022 |
| Otemachi (山口市) | 753-0072 |
| Others (山口市) | 753-0000 |
| Ouchi Chuo (山口市) | 753-0252 |
| Ouchi Hikami (山口市) | 753-0231 |
| Ouchi Himeyamadai (山口市) | 753-0243 |
| Ouchi Mihori (山口市) | 753-0214 |
| Ouchi Nagano (山口市) | 753-0211 |
| Ouchi Sembo (山口市) | 753-0251 |
| Ouchi Shokyoto (山口市) | 753-0242 |
| Ouchi Toida (山口市) | 753-0241 |
| Ouchi Yata (山口市) | 753-0215 |
| Ouchi Yatakita (山口市) | 753-0221 |
| Ouchi Yataminami (山口市) | 753-0222 |
| Saiwaicho (山口市) | 753-0826 |
| Sakurabatake (山口市) | 753-0021 |
| Sannomiya (山口市) | 753-0023 |
| Sanwacho (山口市) | 753-0052 |