| Locality | Postal Code |
|---|---|
| Akanehama (習志野市) | 275-0024 |
| Akitsu (習志野市) | 275-0025 |
| Fujisaki (習志野市) | 275-0017 |
| Hanasaki (習志野市) | 275-0013 |
| Higashinarashino (習志野市) | 275-0001 |
| Izumicho (習志野市) | 275-0006 |
| Kanadenomori (習志野市) | 275-0028 |
| Kasumi (習志野市) | 275-0022 |
| Mimomi (習志野市) | 275-0002 |
| Mimomihongo (習志野市) | 275-0003 |
| Motookubo (習志野市) | 275-0012 |
| Okubo (習志野市) | 275-0011 |
| Others (習志野市) | 275-0000 |
| Saginuma (習志野市) | 275-0014 |
| Saginumadai (習志野市) | 275-0015 |
| Shibazono (習志野市) | 275-0023 |
| Shinei (習志野市) | 275-0005 |
| Sodegaura (習志野市) | 275-0021 |
| Tsudanuma (習志野市) | 275-0016 |
| Yashiki (習志野市) | 275-0004 |
| Yatsu (習志野市) | 275-0026 |
| Yatsumachi (習志野市) | 275-0027 |