| Locality | Post Code |
|---|---|
| Wakabacho (呉市) | 737-0832 |
| Washo (呉市) | 737-0041 |
| Washo Hommachi (呉市) | 737-0042 |
| Washo Noborimachi (呉市) | 737-0043 |
| Yahatacho (呉市) | 737-0044 |
| Yakeyama (呉市) | 737-0904 |
| Yakeyamacho (呉市) | 737-0905, 737-0906, 737-0907 |
| Yakeyama Chuo (呉市) | 737-0935 |
| Yakeyamahibarigaokacho (呉市) | 737-0901 |
| Yakeyama Higashi (呉市) | 737-0936 |
| Yakeyama Honjo (呉市) | 737-0912 |
| Yakeyama Izumigaoka (呉市) | 737-0913 |
| Yakeyama Kita (呉市) | 737-0911 |
| Yakeyama Konoharacho (呉市) | 737-0902 |
| Yakeyama Masaune (呉市) | 737-0934 |
| Yakeyama Matsugaoka (呉市) | 737-0932 |
| Yakeyama Minami (呉市) | 737-0924 |
| Yakeyama Mitsuishicho (呉市) | 737-0931 |