| Locality | Post Code |
|---|---|
| Nakamura (射水市) | 939-0241 |
| Nakano (射水市) | 939-0273 |
| Nakaoitashin (射水市) | 939-0312 |
| Nakashimminato (射水市) | 934-0027 |
| Nakataikoyama (射水市) | 939-0363 |
| Ninomarumachi (射水市) | 934-0026 |
| Nishihirokami (射水市) | 939-0257 |
| Nishishimminato (射水市) | 934-0004 |
| Nishitakagi (射水市) | 939-0303 |
| Node (射水市) | 939-0321 |
| Nomura (射水市) | 934-0043 |
| Nunome (射水市) | 934-0048 |
| Nunomezawa (射水市) | 939-0418 |
| Nyukaichi (射水市) | 939-0321 |
| Ogo (射水市) | 939-0302 |
| Oki (射水市) | 934-0045 |
| Okitsukahara (射水市) | 934-0055 |
| Oshimakitano (射水市) | 939-0271 |
| Others (射水市) | 939-0300 |
| Ryutsusenta (射水市) | 939-0321 |
| Ryutsusenta Mitoda (射水市) | 939-0402 |
| Sakuramachi (射水市) | 934-0015 |
| Sanga (射水市) | 939-0341 |
| Shichimi (射水市) | 933-0252 |
| Shichimi Nakano (射水市) | 933-0253 |
| Shiido (射水市) | 939-0315 |