| Locality | Post Code |
|---|---|
| Noma (赤磐市) | 709-0735 |
| Nuta (赤磐市) | 709-0812 |
| Odani (赤磐市) | 709-0806 |
| Ogamo (赤磐市) | 701-2446 |
| Oka (赤磐市) | 709-0702 |
| Okanda (赤磐市) | 701-2221 |
| Okuyoshihara (赤磐市) | 709-0713 |
| Osegi (赤磐市) | 709-0717 |
| Others (赤磐市) | 709-0800 |
| Oya (赤磐市) | 701-2205 |
| Saidomi (赤磐市) | 709-0813 |
| Sakanabe (赤磐市) | 701-2202 |
| Sako (赤磐市) | 709-0706 |
| Sakuragaokahigashi (赤磐市) | 709-0721 |
| Sakuragaokanishi (赤磐市) | 709-0802 |
| Sanyo (赤磐市) | 709-0827 |
| Sawahara (赤磐市) | 709-0704 |
| Seiriki (赤磐市) | 709-0715 |
| Senda (赤磐市) | 709-0714 |
| Shakuda (赤磐市) | 709-0701 |
| Shakurenji (赤磐市) | 709-0731 |
| Shimoichi (赤磐市) | 709-0816 |
| Shimonibo (赤磐市) | 709-0836 |
| Shiogi (赤磐市) | 701-2432 |
| Shozaki (赤磐市) | 709-0832 |
| Sobun (赤磐市) | 701-2203 |