| Code | Name | Region |
|---|---|---|
| CNSOG | Songgai | CQ |
| CNSAG | Songgang | GD |
| CNSGJ | Songjiang | SH |
| CNSMN | Songmen | ZJ |
| CNSGS | Songshu | 21 |
| CNSON | Songxia Pt | FJ |
| CNSGY | Songyuan | JL |
| CNSZK | Songzikou | HB |
| CNSBN | Suibin | HL |
| CNSCH | Suichang | 33 |
| CNCFF | Suidong | HL |
| CNSFH | Suifenhe | HL |
| CNSFE | Suifenhe Railway Station | HL |
| CNSUG | Suigang | 44 |
| CNSGG | Suijiang | YN |
| CNSAN | Shiwan | GD |
| CNSHN | Shiwan | HN |
| CNSWI | Shiwei | NM |
| CNSXI | Shixing | GD |
| CNSYN | Shiyan | GD |
| CNSIY | Shiyan | HB |
| CNSYG | Shiyang | AH |
| CNSIU | Shizhu | CQ |
| CNSGN | Shouguang | 37 |
| CNSAC | Shuangcheng | 23 |
| CNSSP | Shuangshui | GD |
| CNSUB | Shuibu | GD |
| CNSDG | Shuidong Pt | GD |
| CNSIK | Shuikou | GD |
| CNSKO | Shuikou | GX |
| CNSUD | Shunde Pt | GD |
| CNSNY | Shunyi | BJ |
| CNSHL | Shuolong | GX |
| CNSUY | Shuyang | 32 |
| CNSIH | Sihui | GD |
| CNSJJ | Shijingjiaoxin | GD |
| CNSJO | Shijitou | HB |
| CNSJU | Shijiu Pt | SD |
| CNSLG | Shiliugang | GD |
| CNSLO | Shilou | GD |
| CNSLU | Shilu | HI |
| CNZSM | Shima | FJ |
| CNSPI | Shipai | AH |
| CNXSP | Shipu | ZJ |
| CNSHQ | Shiqi | GD |
| CNPNY | Shiqiao | GD |
| CNSQU | Shiqiao | GX |
| CNSSQ | Shiqiaopu | HB |
| CNSIP | Shiqu Pt | SH |
| CNSQH | Shiquanhe | XZ |