| Locality | Post Code |
|---|---|
| Shima (射水市) | 939-0254 |
| Shimbori (射水市) | 934-0035 |
| Shimomurasanga (射水市) | 933-0202 |
| Shimowaka (射水市) | 939-0243 |
| Shinkaihotsu (射水市) | 939-0284 |
| Shinkatamachi (射水市) | 934-0033 |
| Shiraishi (射水市) | 933-0207 |
| Shogawahommachi (射水市) | 934-0003 |
| Shogenji (射水市) | 939-0403 |
| Shogenjishin (射水市) | 939-0414 |
| Shoseimachi (射水市) | 934-0001 |
| Shukuya (射水市) | 939-0321 |
| Surideji (射水市) | 933-0209 |
| Taikomachi (射水市) | 939-0361 |
| Taikoyama (射水市) | 939-0362 |
| Takabashimmachi (射水市) | 934-0034 |
| Takaki (射水市) | 934-0047 |
| Takehana (射水市) | 939-0407 |
| Tanada (射水市) | 939-0245 |
| Tatemachi (射水市) | 934-0013 |
| Teratsukahara (射水市) | 934-0056 |
| Tesaki (射水市) | 939-0306 |
| Tomei Higashimachi (射水市) | 933-0237 |
| Tomei Nakamachi (射水市) | 933-0238 |
| Tomei Nishimachi (射水市) | 933-0239 |
| Tomei Shichiken (射水市) | 933-0236 |