| Locality | Post Code |
|---|---|
| Murozumiomachi (光市) | 743-0072 |
| Murozumishinkai (光市) | 743-0071 |
| Murozumiura (光市) | 743-0002 |
| Nakamuracho (光市) | 743-0048 |
| Nakashimata (光市) | 743-0064 |
| Nijigahama (光市) | 743-0022 |
| Nijigaoka (光市) | 743-0031 |
| Others (光市) | 743-0000 |
| Sembodai (光市) | 743-0012 |
| Shimata (光市) | 743-0063 |
| Shiota (光市) | 743-0101 |
| Takaramachi (光市) | 743-0042 |
| Tateno (光市) | 743-0062 |
| Tsukari (光市) | 743-0105 |
| Ushima (光市) | 743-0003 |
| Wadacho (光市) | 743-0044 |