| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Uwamachi (横須賀市) | 238-0017 |
| Postal/ZIP Codes in Wakamatsucho (横須賀市) | 238-0007 |
| Postal/ZIP Codes in Wakamiyadai (横須賀市) | 239-0829 |
| Postal/ZIP Codes in Yamanakacho (横須賀市) | 238-0036 |
| Postal/ZIP Codes in Yamashinadai (横須賀市) | 238-0312 |
| Postal/ZIP Codes in Yasuracho (横須賀市) | 238-0012 |
| Postal/ZIP Codes in Yonegahamadori (横須賀市) | 238-0011 |
| Postal/ZIP Codes in Yoshii (横須賀市) | 239-0804 |
| Postal/ZIP Codes in Yoshikuracho (横須賀市) | 238-0047 |