| Code | Name | Region |
|---|---|---|
| JPSYO | Shoura | 46 |
| JPSNR | Shukunoura | 42 |
| JPSHA | Shunan | 35 |
| JPSHU | Shushi | 42 |
| JPSDU | Sodegaura | 12 |
| JPSOG | Sogo | 33 |
| JPJSO | Soja, Okayama | 33 |
| JPSOK | Soka | 11 |
| JPSOM | Soma | 7 |
| JPSNI | Sonai/taketomi | 47 |
| JPSNA | Sonai/yonaguni | 47 |
| JPSNE | Sone | 42 |
| JPSGX | Sonogi | 42 |
| JPSOR | Sonoura | 42 |
| JPSYM | Sonoyama | 46 |
| JPOOS | Soo | 46 |
| JPSOT | Sotodomari/nishiumi | 38 |
| JPSMA | Souma | 7 |
| JPSOY | Soya | 1 |
| JPSRS | Shirose | 46 |
| JPSTR | Shirotori | 37 |
| JPSSJ | Shisakajima | 38 |
| JPSSH | Shishiboe | 42 |
| JPSJI | Shishijima, Kagawa | 37 |
| JPSJM | Shishijima, Kagoshima | 46 |
| JPSIS | Shishikui | 36 |
| JPSSM | Shishimi | 42 |
| JPSHW | Shisui Chiba | 12 |
| JPSTB | Shitaba | 38 |
| JPSNO | Shitanoe | 44 |
| JPSIT | Shitanoura | 42 |
| JPIHS | Shitara | 23 |
| JPSDK | Shitooke | 46 |
| JPSZG | Shizugawa | 4 |
| JPSHO | Shizuoka | 22 |
| JPFSZ | Shizuoka Apt | 22 |
| JPSZU | Shizuura | 22 |
| JPSHD | Shodoshima | 37 |
| JPSOI | Shonai | 6 |
| JPSIO | Shioya, Ishikawa | 17 |
| JPSYA | Shioya, Okinawa | 47 |
| JPSYG | Shioyagamoto | 46 |
| JPSRX | Shirahama, Chiba | 12 |
| JPSRH | Shirahama, Kagawa | 37 |
| JPSHH | Shirahama, Kagoshima | 46 |
| JPSIR | Shirahama, Nagasaki | 42 |
| JPSIH | Shirahama, Okinawa | 47 |
| JPSHM | Shirahama, Wakayama | 30 |
| JPSRT | Shirakata | 38 |
| JPSRW | Shirakawa | 7 |