| Locality | Postal Code |
|---|---|
| Keihinjima (大田区) | 143-0003 |
| Kitakojiya (大田区) | 144-0032 |
| Kitamagome (大田区) | 143-0021 |
| Kitaminemachi (大田区) | 145-0073 |
| Kitasenzoku (大田区) | 145-0062 |
| Kugahara (大田区) | 146-0085 |
| Minamikamata (大田区) | 144-0035 |
| Minamikugahara (大田区) | 146-0084 |
| Minamimagome (大田区) | 143-0025 |
| Minamirokugo (大田区) | 144-0045 |
| Minamisenzoku (大田区) | 145-0063 |
| Minamiyukigaya (大田区) | 145-0066 |
| Nakaikegami (大田区) | 146-0081 |
| Nakamagome (大田区) | 143-0027 |
| Nakarokugo (大田区) | 144-0055 |
| Nishikamata (大田区) | 144-0051 |
| Nishikojiya (大田区) | 144-0034 |
| Nishimagome (大田区) | 143-0026 |
| Nishiminemachi (大田区) | 145-0075 |
| Nishirokugo (大田区) | 144-0056 |
| Omorihigashi (大田区) | 143-0012 |
| Omorihoncho (大田区) | 143-0011 |
| Omorikita (大田区) | 143-0016 |
| Omoriminami (大田区) | 143-0013 |
| Omorinaka (大田区) | 143-0014 |
| Omorinishi (大田区) | 143-0015 |