| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Others (大田区) | 144-0000 |
| Postal/ZIP Codes in Sanno (大田区) | 143-0023 |
| Postal/ZIP Codes in Shimomaruko (大田区) | 146-0092 |
| Postal/ZIP Codes in Shinkamata (大田区) | 144-0054 |
| Postal/ZIP Codes in Showajima (大田区) | 143-0004 |
| Postal/ZIP Codes in Tamagawa (大田区) | 146-0095 |
| Postal/ZIP Codes in Tokai (大田区) | 143-0001 |
| Postal/ZIP Codes in Unoki (大田区) | 146-0091 |
| Postal/ZIP Codes in Yaguchi (大田区) | 146-0093 |
| Postal/ZIP Codes in Yukigayaotsukamachi (大田区) | 145-0067 |
| Postal/ZIP Codes in Reiwajima (大田区) | 135-0093 |