| Locality | Postal Code |
|---|---|
| Aga Chuo (呉市) | 737-0003 |
| Aga Kita (呉市) | 737-0001 |
| Agamachi (呉市) | 737-0005 |
| Aga Minami (呉市) | 737-0004 |
| Aoyamacho (呉市) | 737-0023 |
| Asahimachi (呉市) | 737-0056 |
| Azuma (呉市) | 737-0076 |
| Bojicho (呉市) | 737-0065 |
| Chuo (呉市) | 737-0051 |
| Ebaracho (呉市) | 737-0807 |
| Funamicho (呉市) | 737-0015 |
| Fushihara (呉市) | 737-0077 |
| Goharacho (呉市) | 737-0161 |
| Goharamanabinoka (呉市) | 737-0162 |
| Goharanoronosato (呉市) | 737-0163 |
| Gomachi (呉市) | 737-0803 |
| Harumicho (呉市) | 737-0833 |
| Higashiatagocho (呉市) | 737-0828 |
| Higashichuo (呉市) | 737-0052 |
| Higashihata (呉市) | 737-0072 |
| Higashikatayamacho (呉市) | 737-0805 |
| Higashikawaraishicho (呉市) | 737-0824 |
| Higashimitsutacho (呉市) | 737-0813 |
| Higashishikatacho (呉市) | 737-0073 |
| Higashishioyacho (呉市) | 737-0837 |
| Higashisozukecho (呉市) | 737-0063 |